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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 - SURIGAO DEL SUR 1S Award a ₱22.8M contract to CM TAN CONSTRUCTIONNational agencies

Transaction hash:
3fd93dd9640ecbd4475c30aaaf8b5e310b32a85409bbf69a7e544844ea51380e
Status:
Included and unchanged
Block:
#3,033 2,980 blocks after it
Position in block:
Transaction 72 of 277
Award day:
Mar 31, 2017 (9 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 #3,033 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 - Roads: Construction - Gravel, Roads: Construction - PCCP". 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 - SURIGAO DEL SUR 1S awarded it to CM TAN CONSTRUCTION on 2017-03-31.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17NH0024: 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 2017-12-23). 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   3fd93dd964…51380enow      …
  2. 2. Block Merkle root changed
    stored   b5bbf226d5…1b01dbnow      …
  3. 3. Block #3033 hash changed
    stored   05f3f55d7b…d396f9now      …
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 276 records. Each step hashes the current value together with the sibling shown.

  1. leaf  3fd93dd9640ecbd4475c30aaaf8b5e310b32a85409bbf69a7e544844ea51380e
  2. 01 R 405026fee6e7754f2aabf49aa2cdd3d75982aef027d03cde7e151c81d0ea2a83
  3. 02 R f4e38ad65b61ae1fcd4d4f357e4df0ea05831723053fa30862a72524612b15fe
  4. 03 R b64467a7083918d6c7bce84791d269a450b75b5cb281b82cb075df79709408a9
  5. 04 L a7a7af41a59875706289a59a9db46b1a6e1034b3491cc97748cb8e3b933f7a72
  6. 05 R 25260021f724e31bc09d32d0a02e74fb57129d90a5353dc3826f4c72972e0d5b
  7. 06 R f14b83435763f7b6970ec3f8c912aa025f4412aebc9289f6127666235731ba19
  8. 07 L eee5d350a7739319aed2729956060aed3cb2ab6dd2a2dd9800e34e48981c133c
  9. 08 R 98b2f7fa9587dd74cd63a3cf7fd93c1655f257c333171c017dce95d36a69cace
  10. 09 R 45cfff0350d782cdd0002143186849e70d9231f74426fe78bc9abb92e82b7266
  11. root  b5bbf226d540529db4a1c190017ae80facebabb254fae74143236dab9b1b01db