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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 - METRO MANILA 1ST E Award a ₱18.8M contract to A.J. LAVA BUILDERSNational agencies

Transaction hash:
a9df994e25abb2c41ed982fe8b4e51947e6369a8f274e94c7b98577223d10c52
Status:
Included and unchanged
Block:
#4,283 1,730 blocks after it
Position in block:
Transaction 274 of 428
Award day:
Nov 17, 2020 (5 yrs 11 mo ago)
Value:
₱18,778,230.44
Project:
Contract ID No. 20OB0364 Contract Name Improveme

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 #4,283 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)
    The award does not say which budget line pays for it.
    Not published
  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 - METRO MANILA 1ST E awarded it to A.J. LAVA BUILDERS on 2020-11-17.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   a9df994e25…d10c52now      …
  2. 2. Block Merkle root changed
    stored   2247718032…073a83now      …
  3. 3. Block #4283 hash changed
    stored   4a92d99218…ab86dfnow      …
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 427 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a9df994e25abb2c41ed982fe8b4e51947e6369a8f274e94c7b98577223d10c52
  2. 01 R aa6b6c9a4921e9a68845bef5431b705c0e1346c5f1c43fbc9ee70d0094fbdd01
  3. 02 L 60f7dc80cb32da6807a2a3244565f005d8e34b2a522476f51d7b7c2f9a29fc47
  4. 03 R b710c034288273fc71a6b774548bb3dcdd23c5a3c2089896a0c8f14676c205d1
  5. 04 R 5641081486798b40a44951a6036331197265b6a272e0f371b5389c04f470ad16
  6. 05 L 3e2526cd4345480333d2ac7595b05b6f25c14b2c57a24100ab2d19db17329cf7
  7. 06 R 1393540cd2d6619a1e57da34270ef5436f592290e5ea0188dbca7df2103c45e3
  8. 07 R e0a439c0ed4b2c01acdada8bc2a3613d2bb5fd75447830df0150b06222261001
  9. 08 R 336e4c22020ac660fdf0e070221eb17179310b97d0c81f21e49a64998016c91a
  10. 09 L 06aa8dd0dd5838f39637d502a388e3351ba84a2161d4fa3815fc8794af1c513e
  11. root  2247718032f1eb252ec858113ed4f42e8287748622183f37683495b2a1073a83