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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 DEO Award a ₱4.5M contract to G. M. TALAVERA CONSTRUCTION AND SUPPLIESNational agencies

Transaction hash:
9d3e62fb3da63d96d883ca3a9f28418705b670995696a0c084cd53a6a5839a22
Status:
Included and unchanged
Block:
#3,764 2,249 blocks after it
Position in block:
Transaction 390 of 595
Award day:
May 16, 2019 (7 yrs 5 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 #3,764 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 2019 LP", i.e. the FY2019 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 DEO awarded it to G. M. TALAVERA CONSTRUCTION AND SUPPLIES on 2019-05-16.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19CJ0095: 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 2019-09-04). 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   9d3e62fb3d…839a22now      …
  2. 2. Block Merkle root changed
    stored   37ea7601ab…2205bbnow      …
  3. 3. Block #3764 hash changed
    stored   92eb3d4433…597ebbnow      …
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 594 records. Each step hashes the current value together with the sibling shown.

  1. leaf  9d3e62fb3da63d96d883ca3a9f28418705b670995696a0c084cd53a6a5839a22
  2. 01 R 9d87535ad5caff8b6f4b299ca063555644c0a6f8b0ccb81749677d5aa755476f
  3. 02 L a0da63cebd8a3ec137471745eabcfd85ba33f4b86e84138221ee6e5d9bb6bf79
  4. 03 L 4b7fea275b90e1ae7e03e32d81e9f916f608edc74799beb45ff954f3c72e31cf
  5. 04 R 8e37d8f7aeaef4bc1804ae5fb62196a513332622aaf82228a7dcc4d9c9a1bf9a
  6. 05 R 9072a35721f4c8c325d1d4e4fef4e2d7bf66a08404ce9cb2c5e99d2ed813d70b
  7. 06 R dee673fbce44fcdf7d1fdef2f3005549f44d69133b64182d6082277bf74999e0
  8. 07 R d5f004a5f6918ee64cc661a51268a2d8165029318dd7f04331e75989de098bb6
  9. 08 L 6415ae069166f2fb67b417a3341851e4abc7e719ad914cebce97c10fdad9c135
  10. 09 L 60e34e8f920b5b06b5cbfc05231ee6208b6ad68263de0133c25b5f35605cf9f1
  11. 10 R 4504c66f60acdffdf9550af7d37c29b1aad928f70893d6ead9ef28d504502fa3
  12. root  37ea7601abeabbc34b7d5d2bc197a4d5bb1e0c1680cca91904b7edc3fa2205bb