Skip to content
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 - 5TH LEYTE ED Award a ₱4.8M contract to COLLERA CONSTRUCTIONNational agencies

Transaction hash:
3b456b2f01a065bbd60e6f3e058352e8ed99bc6cd8fed53f6d3750a541727dd7
Status:
Included and unchanged
Block:
#1,716 4,297 blocks after it
Position in block:
Transaction 215 of 994
Award day:
Mar 27, 2013 (13 yrs 7 mo ago)
Value:
₱4,819,356.43
Project:
Rehabilitatioin of Brgy. Roads

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 #1,716 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 - 5TH LEYTE ED awarded it to COLLERA CONSTRUCTION on 2013-03-27.
    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   3b456b2f01…727dd7now      …
  2. 2. Block Merkle root changed
    stored   a8ec25a846…bd41d1now      …
  3. 3. Block #1716 hash changed
    stored   78b8fe0be4…5cd3d8now      …
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 993 records. Each step hashes the current value together with the sibling shown.

  1. leaf  3b456b2f01a065bbd60e6f3e058352e8ed99bc6cd8fed53f6d3750a541727dd7
  2. 01 L 3b2866701a4cc51c37e0eb88aa06df47ee45796015da13bf69aee81c980ea45e
  3. 02 L e797dbb95e23d1d0f0e2b8a990b602fa6fe4910236e34bcb7192556270ebce22
  4. 03 L 4c725bde9009715fa347d46171dc640308c695a6ba39f415872c160005f9b85d
  5. 04 R 07eea6f8aa06979d272049e55bd0ac7181fa8db4715f16950dab8aa950aa547d
  6. 05 L faf3c7a5e569c7ce22ee9e8275eed2f75cc6b73e85171db10e7d1c9f4b6e713a
  7. 06 R 71aa1220b912b77d53e996edcb1503cf9954c860ee6b1b1df02d9be8b56a6a95
  8. 07 L 519c74380a75e1de5f686e0e2be8ec9ecccfb5a4e31873e95d5897e6243b02c9
  9. 08 L 6853924148140b541333160f089f99c97162687e3e13aeebe72863de24af177a
  10. 09 R 622eaa08206a708847732d8296c8f91d67cfeeab6287a255ac0afe913d3e5aea
  11. 10 R 67b4afc3637d40f8db5e9ce0e30179a49c0ea3a678dc3e3fa649c22c0c3649f6
  12. root  a8ec25a8466915942c86a512b4d9128d86585d174b925050849e7122fbbd41d1