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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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII - COTAB Award a ₱4.9M contract to RNS CONSTRUCTION ENGINEERINGNational agencies

Transaction hash:
98edeafd4ef68bd5b28e080ef76819a34a081940875c6f6ba7188c671feac43d
Status:
Included and unchanged
Block:
#4,228 1,785 blocks after it
Position in block:
Transaction 140 of 227
Award day:
Sep 21, 2020 (6 yrs 1 mo ago)

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 #4,228 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 2020 LP", i.e. the FY2020 GAA. The exact UACS line is not given.
    Partly
  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 - REGION XII - COTAB awarded it to RNS CONSTRUCTION ENGINEERING on 2020-09-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20MA0113: Completed, 100% physical progress.
    Found
  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 2021-02-10). 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   98edeafd4e…eac43dnow      …
  2. 2. Block Merkle root changed
    stored   97a4d36024…22aca6now      …
  3. 3. Block #4228 hash changed
    stored   bc8f933f8e…7aeda7now      …
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 226 records. Each step hashes the current value together with the sibling shown.

  1. leaf  98edeafd4ef68bd5b28e080ef76819a34a081940875c6f6ba7188c671feac43d
  2. 01 R 9b14a2e59aabc3169c521af4fe14e13139e8951ba0d791811e7690b151fcfdb6
  3. 02 R 6a99631792c0642895593043e305c0d57958ce183cc349f8199d6954017a6850
  4. 03 L 2ab15f525342b3776f822e2240fdeca65733e6b71e2e4be5f8220852b0f717d9
  5. 04 L 443846178d05c38b351c5c024f841cad24cf239f84905ba77c17361ed29f954a
  6. 05 R 831bf6c3db77c3bda9553af2361dd38bab275a3e7bc5b22c73d0e80a6605bbed
  7. 06 R 158fe130a7e2c22e2fcdc170dbf01020eb215d391e28cdea56960819c924c3b4
  8. 07 R 236f8b7e544b49e0f5d0e36ffb15d3b03f24e54208fefe4e394bed2958712347
  9. 08 L c86bd14450628361af5eecc68cecbeb56157e5c3d05ac567327ba93360a44ca2
  10. root  97a4d360242743311769cd58c946fc112c83b815b61ba4e936d254f1b222aca6