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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 - MALABON-NAVOTAS SD Award a ₱36.8M contract to C.B. TAMPENGCO CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
eddd716dcb39b41ba2a1603d1b89c84ba7b9516da3d2be613b7b27d05e95c3a9
Status:
Included and unchanged
Block:
#3,867 2,146 blocks after it
Position in block:
Transaction 235 of 261
Award day:
Sep 3, 2019 (7 yrs 2 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 #3,867 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 2019 DepEd BEFF", i.e. the FY2019 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 - MALABON-NAVOTAS SD awarded it to C.B. TAMPENGCO CONSTRUCTION & SUPPLY on 2019-09-03.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19OA0121: 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 2020-12-04). 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   eddd716dcb…95c3a9now      …
  2. 2. Block Merkle root changed
    stored   e7dead9c1f…d50122now      …
  3. 3. Block #3867 hash changed
    stored   e4786efe10…23107bnow      …
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 260 records. Each step hashes the current value together with the sibling shown.

  1. leaf  eddd716dcb39b41ba2a1603d1b89c84ba7b9516da3d2be613b7b27d05e95c3a9
  2. 01 L ec6c9426637084bcf03a13109a19ddc059a658cc11835e266da6a62e222bbe5a
  3. 02 L e658dbfea20bc5360223fc6092e45893c7b046ae172bccb7adc7e45e5b76518f
  4. 03 R 7388c8d570e473ce99fc6e1bcfb3697b09c086c125f93a54a4e4b0f525f17fd5
  5. 04 L aac765fb3ad7feff0f38fbd29da04a390811c2f3ba06f89daf5fc2f61351b2a4
  6. 05 R 8e7c1f85e674a6ffe66cecc78248ec30beb845c382e59b661d2b99a62dd74f02
  7. 06 L e346f61e3581d6c9087126577096a4ca5f625a87711e89265d763e0410fbbd8a
  8. 07 L 788ae687bc9fa7e9e45764639e3c3cda29d9d61c3132f6fec553d65f39e4e56d
  9. 08 L 613988cfeedf0b709495d1bd507e9143250c27181a16e968a3155a73d36f0e39
  10. 09 R 04f160840651a73170303037402aa2e5df051b978cdb6b4be350f21126785608
  11. root  e7dead9c1fface19ae41dc6e5cd0aaeaa096bbe7f1ced38ab8e41daf07d50122