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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 - MARINDUQUE DEO Award a ₱758.4K contract to R.C. TAGALA CONSTRUCTIONNational agencies

Transaction hash:
8a770ebd9244d054812817cb5b9b3b1e4b0a232283a6e942c13d41c4cbc33687
Status:
Included and unchanged
Block:
#1,714 4,299 blocks after it
Position in block:
Transaction 509 of 935
Award day:
Mar 25, 2013 (13 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 #1,714 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 - MARINDUQUE DEO awarded it to R.C. TAGALA CONSTRUCTION on 2013-03-25.
    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   8a770ebd92…c33687now      …
  2. 2. Block Merkle root changed
    stored   7a9d154d34…f166ddnow      …
  3. 3. Block #1714 hash changed
    stored   0f120f161a…2abf30now      …
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 934 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8a770ebd9244d054812817cb5b9b3b1e4b0a232283a6e942c13d41c4cbc33687
  2. 01 L 8a67ddc2797fa39599d52ff82245b26ddd79933305e9d61091642010866a74e1
  3. 02 R 0b84131163c1a94b2db54b4f9a6367d388bdcc5c1532ebf9f05974387391940c
  4. 03 L bf9b13da5cbd25846a6005258db3ba33b6eebd6e8e3aff4eaefd51a2a295d2f3
  5. 04 L c769ac192fd451f5b0e59f651ae5f7b496d01c09a07d2c26a02698042d7ab51b
  6. 05 L 71c7850bd71f9821a881ccaafeef735e40e73bebee4f36a3fe83a1d2d143f70b
  7. 06 L 42a178c44f34b54465d1d633c28d859de7be6295fe741c55e200044dc1fa1dbd
  8. 07 L 82e09a9ac514e102e694d699ee80771c32e63326e34d212581f78d7fe906f221
  9. 08 L 1f5f0b95ff5e77b28cdb7f4e2aa65f617cecf4d5c960c566284ba0cc059306e1
  10. 09 L 507c1007492992fd3d3b73635243b34fe7994b06fa7cfb30e67f9857eb2ad47e
  11. 10 R 24ec7679a35668803462414ec412702f9f0d653df097e940b327ff184d3c8c5c
  12. root  7a9d154d34bfe2214ffce495ffe93f69dff3b21261b1b7d69e20426604f166dd