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FY2026 GAA: ₱6.79T
PisoScan
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

CITY OF TANDAG, SURIGAO DEL SUR Award a ₱1.8M contract to JOAN CONSTRUCTIONCities

Transaction hash:
65bb4270ee5f6bfd3fda033cc7eb80e77418cb4abbee9af9da47d274ac7a08ab
Status:
Included and unchanged
Block:
#3,454 2,559 blocks after it
Position in block:
Transaction 130 of 359
Award day:
Jun 20, 2018 (8 yrs 4 mo ago)
Value:
₱1,750,045.42
Project:
Replacement of Wooden Bridge,Purok Mangga, Brgy.Maticdum,Tandag City

Accountability

Bill Sec. 3 and 19
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 #3,454 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)
    The award does not say which budget line pays for it.
    Not published
  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)
    CITY OF TANDAG, SURIGAO DEL SUR awarded it to JOAN CONSTRUCTION on 2018-06-20.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    COA's CY2024 audit of City of Tandag gave a "unmodified" opinion on its financial statements (not specific to this contract).
    Partly

1 of 8 documents found, 1 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   65bb4270ee…7a08abnow      …
  2. 2. Block Merkle root changed
    stored   ab0065bd29…61ea4cnow      …
  3. 3. Block #3454 hash changed
    stored   498fe5427b…5869cenow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 358 records. Each step hashes the current value together with the sibling shown.

  1. leaf  65bb4270ee5f6bfd3fda033cc7eb80e77418cb4abbee9af9da47d274ac7a08ab
  2. 01 R 65f0a2c2d6ea23ee29e3ab00d977efdffc9d769224e26930b801af4b270cdd84
  3. 02 L af7ec2bb95b76009f4e69dc0db6566bec9fb04ee8c9191eacfa4999bc756c6f4
  4. 03 R 35605cc1580c9941f07fabdfcba280135e12f64c857acddd33d6a387e44b6de1
  5. 04 R c3cbb94d9588f34c75bcab97585e68dbb2e6e4ccdb3a2e6c104b2b6f28ac838f
  6. 05 R a7bdf48e077d8caf84b259a1c6c529d3bd83d9fce0b8ed9ece20520c1c4c1464
  7. 06 R ec127f37ab056fca9bb168b89a4d1b146eb0826416e1abb0847e5f21c0e2c2a8
  8. 07 R a690c7bd5679963343fdca0cd72f0e00e746bb0e56db62aad781615fbf222e8f
  9. 08 L 61cd3ef4a5665328e246a3996f652a7dff42ed19a9baa06734635a7a6a224a81
  10. 09 R a19c1bbc30c8a5d44f2883bdb792cf2fe45eb426f0b5d5d4abfb7bde064ee103
  11. root  ab0065bd29ac2c5b3e22b0e1a79822159b3bf100548550b905c5c449fc61ea4c