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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 - SIQUIJOR DEO Award a ₱9.3M contract to YES CONSTRUCTIONNational agencies

Transaction hash:
835e3fe785dd69f2d1cdaef5c9d7617061295a56b4959252b1bfa510921e12e5
Status:
Included and unchanged
Block:
#3,814 2,199 blocks after it
Position in block:
Transaction 159 of 318
Award day:
Jul 9, 2019 (7 yrs 4 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 #3,814 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 2019 CSSP", 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 - SIQUIJOR DEO awarded it to YES CONSTRUCTION on 2019-07-09.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19HM0055: 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 2019-10-04). 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   835e3fe785…1e12e5now      …
  2. 2. Block Merkle root changed
    stored   eddc7e5961…087859now      …
  3. 3. Block #3814 hash changed
    stored   50bc686e73…0d3177now      …
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 317 records. Each step hashes the current value together with the sibling shown.

  1. leaf  835e3fe785dd69f2d1cdaef5c9d7617061295a56b4959252b1bfa510921e12e5
  2. 01 L 82ca7ece7c021761eec7cd467e5bdd54de25b3c5ef248f96f4d0ea0c3f2d2198
  3. 02 L 08444b1d6d4d9a545f520b108a0bb05b6f3af656159a8fd0e03f0a6ac912f676
  4. 03 L e3dd7d3cead9309a50926b2ec4f184a2461f866f026145c7f0536a26834651a2
  5. 04 L 8f12e424e70c40969676edbb0aaafacb51fe0f9c315fa16acf2eb74affb612c3
  6. 05 L 83c3618c955ba039066d6538f6eaa31a4302fef7695cece826aaf4ecc4fb40e3
  7. 06 R 4ac6dc8d79e5580931db68c2e0c6b12264c5ec1dfda61f09ebca2ef0b1b6259e
  8. 07 R 95f3fa94699c6151384794dd8db0651b14113cfb934e788655e3816273fdbf81
  9. 08 L 385574ce845b02dda6ea438b4ee822e900149cec31c3c4a6d7bfbf1c14e4d580
  10. 09 R 6e46e962dfa8f80845230684b20490702ab6516ddc6f7cab0ba6824b196a136f
  11. root  eddc7e5961a0b6e984ad7abc0d151d2c4ee746cda8ca0717c74447bb2d087859