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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

DPWH BATANGAS I DISTRICT ENGINEERING OFFICE Award a ₱1.9M contract to PRECIOUS CONSTRUCTIONNational agencies

Transaction hash:
89045571f4b1633f2eb46bb30aaaac490fb9541aacd02a8363cc89658a8581d5
Status:
Included and unchanged
Block:
#3,369 2,644 blocks after it
Position in block:
Transaction 158 of 289
Award day:
Mar 22, 2018 (8 yrs 7 mo ago)
Value:
₱1,930,495.00
Project:
Civil Works

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 #3,369 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 2018 LP", i.e. the FY2018 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)
    DPWH BATANGAS I DISTRICT ENGINEERING OFFICE awarded it to PRECIOUS CONSTRUCTION on 2018-03-22.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18DB0136: 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 2018-05-15). 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   89045571f4…8581d5now      …
  2. 2. Block Merkle root changed
    stored   47e9e2c877…88255cnow      …
  3. 3. Block #3369 hash changed
    stored   9ad437f946…ba600enow      …
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 288 records. Each step hashes the current value together with the sibling shown.

  1. leaf  89045571f4b1633f2eb46bb30aaaac490fb9541aacd02a8363cc89658a8581d5
  2. 01 R 896fb1878f57cac253f979122b7ef4cce8539f9ebe8d01422201819d1477cd3c
  3. 02 L edb5da90499b37521807459aad695144b0e125a6d6cb2b3d46d996af5996c155
  4. 03 L 3a8c02177174e5873a8df0a6de1a9c50bdb08f89f76046b872f323d02163f4c3
  5. 04 L 160ef73d1a9fff294d1e90fe559c977cfab2ee70912f1ea65725e5ebee217b66
  6. 05 L 0d2602774904aef35b56a032a626d9da8157d8f0d4e570632e7a50d6dbd66535
  7. 06 R 191ad0f1c76a282131aa8091c5eec43c911a6faf507b0e2a2d03a63434ef3dfc
  8. 07 R 89b535c177a33bf4a5d6402823270f77d9359cf00454f1b551360ff9046e42e2
  9. 08 L ecc3ea4fe28f71e31df6497cdbc8f6034f145c5bb9963b53714f701f9069cf53
  10. 09 R 1db7d6bc21a1afe9a4126ae6c5f223a56ce04389f50474e1aaa10d5b164c3aa0
  11. root  47e9e2c877074c492a2121c0a1e8261be8aacfc471a29e91d85642138b88255c