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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 3RD E Award a ₱969.6K contract to C.B. TAMPENGCO CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
9ccf4907b0fbe2add6cb1feb5a129bd3372c572abceed928e1c57079bd807c58
Status:
Included and unchanged
Block:
#3,367 2,646 blocks after it
Position in block:
Transaction 165 of 289
Award day:
Mar 20, 2018 (8 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 #3,367 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 - GAA 2018 LP", i.e. the FY2018 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 - METRO MANILA 3RD E awarded it to C.B. TAMPENGCO CONSTRUCTION & SUPPLY on 2018-03-20.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18OD0131: 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 2018-05-27). 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   9ccf4907b0…807c58now      …
  2. 2. Block Merkle root changed
    stored   20523b84ec…a4c954now      …
  3. 3. Block #3367 hash changed
    stored   357517a58e…d6bb0bnow      …
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 288 records. Each step hashes the current value together with the sibling shown.

  1. leaf  9ccf4907b0fbe2add6cb1feb5a129bd3372c572abceed928e1c57079bd807c58
  2. 01 L 9a919e025b538e2c2aec350a12a9515a71bf9c5d9116af1d283af114e24f803b
  3. 02 R 3d3fecb41f349b100f81f8a62a59620d917d14d2fbe6ef6091e8b09984a18ca0
  4. 03 L 757f6a03c822fad6997827576aa87eba136629bfc865a87387789ec2517a99e3
  5. 04 R 7c388ca5152f7c0df57b020022a808fb74bfd04ca08606ae42a81b637acfe35f
  6. 05 R 696dfd08370ead8ea574d1a09e2dfc9ad00113cd22233230336467bf186d2686
  7. 06 L 4595351b81212b7cbe35b4118b50e9bf0bd5803148603a0ae792ccfc023bcf86
  8. 07 R 3dce8115e4a81bde794c0b04defc13c7eab4274d8214c4174308284fcb13fa8d
  9. 08 L 25233561192a88be6d576935869f873e3d73d9b6a7f308898182bd8402db9984
  10. 09 R b93cd4a4cd3d4fa46bb80ebdaa4b32ccdbd9080258fad05962e14490f27a3010
  11. root  20523b84ec60fc5521b871b3ad793b967f7af89f21099b75c45e17dd63a4c954