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DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE DE Award a ₱9.6M contract to JARGON CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
dd4cf4e482bf04a812fa03ce4266515d9f3cafc421333cd18de8579d5e46a4fb
Status:
Included and unchanged
Block:
#4,443 1,570 blocks after it
Position in block:
Transaction 193 of 233
Award day:
May 7, 2021 (5 yrs 6 mo ago)
From:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE DE
To:
JARGON CONSTRUCTION & SUPPLY
Value:
₱9,550,794.02
Project:
21LC0143 - Construction of Fire Station Building,
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE DE
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,443 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    DPWH lists the funding source as "Regular Infra - GAA 2021 LP", i.e. the FY2021 GAA. The exact UACS line is not given.
    Partly
    Open
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE DE awarded it to JARGON CONSTRUCTION & SUPPLY on 2021-05-07.
    Found
    Open
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21LC0143: Completed, 100% physical progress.
    Found
    Open
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    DPWH marks the contract "Completed" (end 2021-11-21). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   dd4cf4e482…46a4fbnow      …
  2. 2. Block Merkle root changed
    stored   98f9e4e628…847de3now      …
  3. 3. Block #4443 hash changed
    stored   a7cb4cc6df…18b66dnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 232 records. Each step hashes the current value together with the sibling shown.

  1. leaf  dd4cf4e482bf04a812fa03ce4266515d9f3cafc421333cd18de8579d5e46a4fb
  2. 01 L dce253c07a96f5e7369df861233c77ca3d4ad6feaaebfd5b7c22a6605f85c5a2
  3. 02 R 3999e0d2826930bf418795a8f3e7b207b5c561f254587badfbac93b9a0301173
  4. 03 R 8629b141857ce3800b4c3722fb83439061c15d95ec2e8fe84a6c11b7bd232ecf
  5. 04 R 262aa486ab7d7feabb71fc69f6c6b91ae6b370a7550e130b3a548f43062ead6d
  6. 05 R 042729cfe576a9bac2cac1768d0309e39c96e164e08063a1777876519daccabd
  7. 06 R b552d9cbd1e8bba1643695ee71e1d361bae3ac02833aed1db41690043866bdfe
  8. 07 L fac606cd6684b91e57010abd8663b38d5071976e00525158a01b8b90c9b671be
  9. 08 L a93118acebe648f7a1178e569045ef88cf23cf9037eb8ed770e24f3cec51448b
  10. root  98f9e4e628e822285bf3ad5e1ba88801c663d27687dcee63ce70691e94847de3