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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 - TACLOBAN CITY SDEO Award a ₱21.8M contract to COLLERA CONSTRUCTIONNational agencies

Transaction hash:
06a8b9c8b7f0ea08078e8814200db0db32730e2b2f71c7d8ea3a510c496b4cf2
Status:
Included and unchanged
Block:
#2,897 3,116 blocks after it
Position in block:
Transaction 5 of 176
Award day:
Nov 3, 2016 (10 yrs ago)
Value:
₱21,807,730.13
Project:
Const. of SB-Sagkahan NHS Twelve CL

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 #2,897 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 "Outside Infra - GAA 2016 DepED BEFF", i.e. the FY2016 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 - TACLOBAN CITY SDEO awarded it to COLLERA CONSTRUCTION on 2016-11-03.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16IM0033: 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 2017-04-11). 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   06a8b9c8b7…6b4cf2now      …
  2. 2. Block Merkle root changed
    stored   9c131791ad…12cbf9now      …
  3. 3. Block #2897 hash changed
    stored   e5987f2cb5…9e3777now      …
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 175 records. Each step hashes the current value together with the sibling shown.

  1. leaf  06a8b9c8b7f0ea08078e8814200db0db32730e2b2f71c7d8ea3a510c496b4cf2
  2. 01 L 0504256b29331b4ecb7aab934887956a00f8712a9314d9f881806d684f46cb9f
  3. 02 R 7e5acd21243e35be896d0e721081743d98c5a2e5ebd9c1e4ca7e23d7990796c5
  4. 03 L ae5b5c1287290430563bf227d159b2f2d9d45f905532d065a64333745298e86b
  5. 04 R 181fc4324eb2575788b2b9c9b771ad4711a10b47d08714402015588473408157
  6. 05 R 519999fc558d498ab4ece3a5e1b14d6375363e16aadb2ff713406b07cd78bc8d
  7. 06 R 983805c104c78a480e2fca56bd4817ea55a48fd87caf5f6148584c1e80aa4f18
  8. 07 R feaf021298be378989c957d1d316bc246a1313b9d793687962b938cd6f07d5c7
  9. 08 R bfc44e7c623fe8721d97c285e35d37f347e8a69f848ec75d8e29b957fdd248de
  10. root  9c131791ad57309b87d2cda3b15ef3b3115025bdd31f760347be86a17012cbf9