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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 - BATANES DEO Award a ₱11.2M contract to R.D. MANDANAS CONSTRUCTIONNational agencies

Transaction hash:
c6897dabe53bf28f165bb5458b7e65c3a124b28b2fb0766a2598847892c0e354
Status:
Included and unchanged
Block:
#3,519 2,494 blocks after it
Position in block:
Transaction 204 of 283
Award day:
Aug 30, 2018 (8 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 #3,519 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 2018 DepEd BEFF", 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 - BATANES DEO awarded it to R.D. MANDANAS CONSTRUCTION on 2018-08-30.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18BA0078: 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 2020-09-06). 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   c6897dabe5…c0e354now      …
  2. 2. Block Merkle root changed
    stored   57198f4bfc…d7fbc8now      …
  3. 3. Block #3519 hash changed
    stored   1852960f25…4a2d91now      …
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 282 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c6897dabe53bf28f165bb5458b7e65c3a124b28b2fb0766a2598847892c0e354
  2. 01 R c694fe7209ed60c149f2d1c612b1db298494574b6481ff5df38f17c4724bd403
  3. 02 R 8b493c25f24baaaf064c5659940bd7a58de6c1e015bf6dd076e4faae65559fa4
  4. 03 L 12757ab9c4abf375127f678462baf3f16052549d723929c196072fa2c83dfb5d
  5. 04 L 53dfbc4fc64c699df2bd73a7054d011c71067f1778ac05a1872c3ae700dd4128
  6. 05 R 882391a54e6cddf7c495fcef4b449db3ce0646aa81e97a06f8dc34b4dc7f43bb
  7. 06 R d1843e6ca6a52b0aa02cbd12ac35aaea01c541b4646e98c435bdf3bc3a01e62b
  8. 07 L 46c0032b5fe24abbd89ef774c85e1ba1df6695422b925ecd7c7b0bd205d534cb
  9. 08 L fdb84406c6afa1498aca5d0f722651ae88d7171f06f562ef90c1cd7bc73a31fe
  10. 09 R b3c58f360c0daff88fff3c508c7082b720b0be02c284781f5188781c369afaf9
  11. root  57198f4bfcda98eec3ed7b191816393071c053dd0351603790cee88caad7fbc8