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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 - KALINGA DEO Award a ₱11.1M contract to COLUMBIAN CONSTRUCTION SERVICESNational agencies

Transaction hash:
cd27d685aed851835ef3defbaee5b573d281b0766fae7c24978f6d607639c1d5
Status:
Included and unchanged
Block:
#3,288 2,725 blocks after it
Position in block:
Transaction 1,097 of 1,412
Award day:
Dec 28, 2017 (8 yrs 10 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 #3,288 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 "Outside Infra - GAA 2017 DepEd BEFF", i.e. the FY2017 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 - KALINGA DEO awarded it to COLUMBIAN CONSTRUCTION SERVICES on 2017-12-28.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17PL0262: 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 2019-01-30). 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   cd27d685ae…39c1d5now      …
  2. 2. Block Merkle root changed
    stored   64613355b9…bb9921now      …
  3. 3. Block #3288 hash changed
    stored   3cb6d0a1d5…43ac58now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (11 steps)

How this one record is tied to the block's Merkle root, without needing the other 1,411 records. Each step hashes the current value together with the sibling shown.

  1. leaf  cd27d685aed851835ef3defbaee5b573d281b0766fae7c24978f6d607639c1d5
  2. 01 L cd27ccc177eb6c02200a8ca2dce0aa6c79c103eb0839661b3fe8461936490a3a
  3. 02 R 4bf93838882a38b7afdac69be88fba1e63405502f41384a26c9f61349c0af8c4
  4. 03 R 05e893bd7eaec7798a1ab7aa0ad2b9ebcf327d32f81404833d25c506b878e373
  5. 04 L 465fe215148214408a4714efb315d17a189c44dcaad5f4184cbc5f6df95ba2ca
  6. 05 R aa766b587c6ea8dba92a8a5a0b1da62cd08b9c28bfd69a31accce7e0fce0dfcd
  7. 06 R 1e2a388a46f58dca3fc8552749c95b1cf903be80d7cf42bd54eade0c235c6265
  8. 07 L 94f6f8496d840f674b4e06b7e1f39b57dc45ffd6641c2f79c30ad2ba4991bdbc
  9. 08 R 40e34c5369c73da407999d14d5ac2eb58a9003e1e22f839f5ad5906a54cc2009
  10. 09 R 0a411317e64a62823d2f5cf2c68b163f52d939ab837b362e28d7fd47d344f1ef
  11. 10 R 0eb4b5a16536972b1d5055fac4e80118fc09eba1350dfc87486c24c73064faa4
  12. 11 L b7371f169d39cefbf879f5c5200f357bdd7aa07b37432107fb2905bb9b3b40a2
  13. root  64613355b977568d1084de9163c534dedc8c83edeb4ca2352846127023bb9921