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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 - TARLAC 1ST DEO Award a ₱43.5M contract to BIG BERTHA CONSTRUCTION & DEVELOPMENTNational agencies

Transaction hash:
2ace384575f6dfa1dfd6e88ccfc736f905d6f7d63423a278dcbb3f4c8162de7a
Status:
Included and unchanged
Block:
#5,086 927 blocks after it
Position in block:
Transaction 78 of 426
Award day:
Mar 7, 2023 (3 yrs 8 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 #5,086 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-1", 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 - TARLAC 1ST DEO awarded it to BIG BERTHA CONSTRUCTION & DEVELOPMENT on 2023-03-07.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 23CJ0090: 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 2023-12-02). 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   2ace384575…62de7anow      …
  2. 2. Block Merkle root changed
    stored   bf9d81c51b…9b476dnow      …
  3. 3. Block #5086 hash changed
    stored   ccb2ba18e1…f4fc3anow      …
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 425 records. Each step hashes the current value together with the sibling shown.

  1. leaf  2ace384575f6dfa1dfd6e88ccfc736f905d6f7d63423a278dcbb3f4c8162de7a
  2. 01 R 2c54deb1be7f07078c10d6e5fc4893e8a74bdb63e65244f145bd9a67f5a075dd
  3. 02 L a60a827e90a7f02faa95f7e30915cae62ba379e19949ab3a441d25bf88374bd2
  4. 03 L 0c640a65f11309a59b5cc0e333e3f60910b272e6d18e646e97407d5395b1cd36
  5. 04 L 44c8c0c09a05ec771dcc323ef382f305608eb1e3d491159364fd4850e1b36ddf
  6. 05 R ff10c08c3be8cf33ead3c3f528648c5fb8b442db0d10463da5b10a5e8a92255d
  7. 06 R 48b6c74177624a4f452386cd391b3a424d6341830a9fde9dd43361a14155dfc4
  8. 07 L c677a39a5af434189ad4a167bb26d67be0505dfe72eb455abf3c8710b5dc0ce9
  9. 08 R 4fa15cc1157f89b6f3e4ec309cdb3a97c7e7f68a3524894e0c069a7a7225255b
  10. 09 R 9c4d15c653dd2993d0fb071b717c230605ee7693a0e7173e030d94b71e6f97f2
  11. root  bf9d81c51bf56c66119736f5b6f6f3dffbea7aeca52a091b60d81e04a69b476d