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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 - ISABELA 4TH DEO Award a ₱95.3M contract to COLBY CONSTRUCTIONNational agencies

Transaction hash:
ca74ff61907dabe6001728ffa577d0945d655e7a68f3c36a3fb373b8d5d9382f
Status:
Included and unchanged
Block:
#5,163 850 blocks after it
Position in block:
Transaction 290 of 364
Award day:
May 24, 2023 (3 yrs 5 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 #5,163 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 2023 OO-2", i.e. the FY2023 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 - ISABELA 4TH DEO awarded it to COLBY CONSTRUCTION on 2023-05-24.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 23BH0138: 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 2023-12-18). 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   ca74ff6190…d9382fnow      …
  2. 2. Block Merkle root changed
    stored   81e13b367b…c9a356now      …
  3. 3. Block #5163 hash changed
    stored   3ba5e370d9…3d11a1now      …
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 363 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ca74ff61907dabe6001728ffa577d0945d655e7a68f3c36a3fb373b8d5d9382f
  2. 01 R cb707686ea6a4d275beabf8ad98b83a7e00c25f972f17f3b76f63574caa5fdd2
  3. 02 L 56e74628dcb7a797b365fe1de82875df2c2e1396313c47e3a2c54d352cdb6596
  4. 03 R 1697544824b916baa83f1fe82d67d9898afb4a269e4893309e15d9ae0f65e90a
  5. 04 R a24637c2eecfd42b0fe3d4a46b3768a90be247c5a364c98eb530f5981c5edb53
  6. 05 R 4b4a78836d2397be40b69697fd4990412987856111d9fc50d8b9380af2518938
  7. 06 L adacff992645db38b90fa47ae1561637cca10ff79507d4329869a0cd28d97c48
  8. 07 R fd46c580e30264728c6e7f095eafffeda627a20dadeaf1c276a743a62f73e7c6
  9. 08 R 2b8e80847a04f087ed5a5ab7d03925871f42739f1ac06ee7f911df28a1796f0a
  10. 09 L ea9b026e36a1b0f9759c1a3f7545319db85e8db6ef4fe4ea993bb792410439e7
  11. root  81e13b367bc98ff1f1f625dbd7b8ee63880260ee8d73e56d493d651968c9a356