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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 - METRO MANILA 1ST E Award a ₱5.1M contract to CALCON ENGINEERINGNational agencies

Transaction hash:
7b7be99dc033256b36db0e47bcd292de8e4bb52fd00db8352b0503bb5f73ba29
Status:
Included and unchanged
Block:
#2,963 3,050 blocks after it
Position in block:
Transaction 110 of 232
Award day:
Jan 16, 2017 (9 yrs 9 mo ago)
Value:
₱5,137,226.60
Project:
Contract ID No. 017OB0049-Construction of Slope P

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 #2,963 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 - METRO MANILA 1ST E awarded it to CALCON ENGINEERING on 2017-01-16.
    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   7b7be99dc0…73ba29now      …
  2. 2. Block Merkle root changed
    stored   925fdce583…be7a41now      …
  3. 3. Block #2963 hash changed
    stored   9124e9a8bf…870b4enow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 231 records. Each step hashes the current value together with the sibling shown.

  1. leaf  7b7be99dc033256b36db0e47bcd292de8e4bb52fd00db8352b0503bb5f73ba29
  2. 01 R 7cc4e4a96eacbf0c26bf78a449d49ac3e979c11bae67486c7dddb6e55a9d9822
  3. 02 L 951b943e86715b7e85b64e18436ef50895a1e97503258c8370d5c3ac69cc57fe
  4. 03 L 78d4c6a619ec99bf79f1889b8de60b571af3067725d5e642e9567020ca5c9ce8
  5. 04 L 8fd5657c7b1bed578639eabe885b10b787c97c35fdca9b304c61b314eb6ed66a
  6. 05 R bf6957fa90369da39ca4e8642533f8dece2609d18d6ff46fe7b29015185fa171
  7. 06 L 3451ed0fdff89ea32b2cf00dcf0fb68a980a288fbf253d3b667609e6349b949b
  8. 07 L 366c31f966140d7af4aad04adddd293bf9700d3b8a58a3f9a443fabe59458a43
  9. 08 R ec62a15da37db5653865030adc266d10d7df547defbf3f16f00aa905d7a7b6de
  10. root  925fdce5832ecf0990d9a8395a0299c24a21df5d912a4283a7c1a2ad0dbe7a41