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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 - ZAMBALES 1ST DEO Award a ₱2.0M contract to A.M. AYUNAN CONSTRUCTIONNational agencies

Transaction hash:
c1046d509e7c4e5b69a2e668d5065e8c844a8a5cdf3c436193ee51d6526a838d
Status:
Included and unchanged
Block:
#2,689 3,324 blocks after it
Position in block:
Transaction 354 of 480
Award day:
Mar 14, 2016 (10 yrs 8 mo ago)
Value:
₱1,960,006.97
Project:
16CL0015 - Concreting of F. Conception Road

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 #2,689 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 2016 Locally Funded Projects", 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 - ZAMBALES 1ST DEO awarded it to A.M. AYUNAN CONSTRUCTION on 2016-03-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16CL0015: 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 2016-05-30). 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   c1046d509e…6a838dnow      …
  2. 2. Block Merkle root changed
    stored   446dec3de5…fda636now      …
  3. 3. Block #2689 hash changed
    stored   db5eb766c5…1d3f38now      …
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 479 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c1046d509e7c4e5b69a2e668d5065e8c844a8a5cdf3c436193ee51d6526a838d
  2. 01 R c13092c65cbc88039b7b82db095e0fb9e4e4af482969ff19b577cfafc644f1ee
  3. 02 L e73b13a6993b5090f807f0adcc00c28ea34086a78f3b34d09d106fec9b43a818
  4. 03 R d854380faf553d3295bd5e3a2901c898264458ba17e428b748d0d05611c8f914
  5. 04 R 5ea8231c862f629b9c5412e5665edcf3f40e4b1e167fd3341e3e7e7d902b36d7
  6. 05 R a035f86e04b07ac1ab2073faa1a3f92f107f553395739c97f409b60a0ef83b26
  7. 06 L 0148397516cec916cd5ff062c2af4aa17bb528c6cf07b56b44051083ab2a744e
  8. 07 L cd8107f1a1d8a5ad3c83bdd5b4433e08e0701667fdd71551c506313227482c57
  9. 08 R 0aeed3a5904b7628c0a1d84ceb86637bcfcd6c7967116ea3cb1acce01ed7a365
  10. 09 L 808f5f2246d3c2fc39134ef403412d3289ff605e42f07ba42cb4f11f401add0e
  11. root  446dec3de536ddbe04d5deac4f1dd6bd9c50781f099b7789e4b48a7af5fda636