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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 SUB-2 Award a ₱8.8M contract to E.F. CHUA CONSTRUCTION, INC.National agencies

Transaction hash:
e300ccd330b6c1b6867a93df3c526d0aad691fceb97d5457da84ebd3d3490b85
Status:
Included and unchanged
Block:
#2,697 3,316 blocks after it
Position in block:
Transaction 779 of 882
Award day:
Mar 22, 2016 (10 yrs 7 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 #2,697 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 MFO-2", 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 - METRO MANILA SUB-2 awarded it to E.F. CHUA CONSTRUCTION, INC. on 2016-03-22.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16OI0058: 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 2016-09-25). 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   e300ccd330…490b85now      …
  2. 2. Block Merkle root changed
    stored   12e2b1ad29…a1d4b6now      …
  3. 3. Block #2697 hash changed
    stored   245b8682e4…4c04f7now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 881 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e300ccd330b6c1b6867a93df3c526d0aad691fceb97d5457da84ebd3d3490b85
  2. 01 L e2bfd7707925cd8d7a5b34f812f2445841f2527435323fddfe261dcadc85c56f
  3. 02 L adc0563ce5ab5f3426a5683e8176242c3da6627297537e01b2237a639de0d1be
  4. 03 R 417a7461b0e107d41b59d93fd25cabd69d9912a9ff49d8ff44cf8e2a206f98d8
  5. 04 L d1e00103a1e3d15b39711370d5a55b24de08b0c80678f55d247cfc4ed66b7e0e
  6. 05 R 713d5b8fef147a81f5616a2eb84104c8421de128c7f5148209b5fa9065ad056a
  7. 06 R f402bb3de0f3a7c5dae8e80a712218319f21df61f8fff62a050b134e628d24de
  8. 07 R a2ebd5c8baa788c9cf31ffbcbb594dc41a8e0e206dcb0c475d5155fd62dd6ae3
  9. 08 R b37f1bf285f8a110079a1ee201928cb01f2f9dad70c187ad48316ec8941d3c1c
  10. 09 L 5dac4c6b4a86e72860f0d5519950cb38fed0bac65d27d52910d44d7a15cafb3d
  11. 10 L fc97548fddaf3644a2585036a812173139521adfe3a7f4b3c99bcd8159642797
  12. root  12e2b1ad29ec1dd1cdc346ec7b81229eb540eb3a51b54dc37e69335bbaa1d4b6