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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 - ISABELA 4TH DEO Award a ₱29.6M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
647b03991ac71f9761d2e4e8de1e0a985327470752c242118b13c6c0fbd4ecc8
Status:
Included and unchanged
Block:
#5,239 774 blocks after it
Position in block:
Transaction 107 of 289
Award day:
Aug 10, 2023 (3 yrs 3 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 #5,239 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 2023 DepEd BEFF", i.e. the FY2023 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 - ISABELA 4TH DEO awarded it to AYLAN CONSTRUCTION AND TRADING on 2023-08-10.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 23BH0235: On-Going, 0% 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)
    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

2 of 8 documents found, 1 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   647b03991a…d4ecc8now      …
  2. 2. Block Merkle root changed
    stored   b14c9f3bbf…af0f12now      …
  3. 3. Block #5239 hash changed
    stored   b7166994a4…374963now      …
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  647b03991ac71f9761d2e4e8de1e0a985327470752c242118b13c6c0fbd4ecc8
  2. 01 L 6470c7b18a10a266f645ec0486d0a34885a6da7189f36799b746381a61e9083f
  3. 02 L 6f7c8e1aa0eb577cfcf27d6ec7e595cba93d07f5d814bab087a3e6fc158ee741
  4. 03 R 2f8e3784d70ea21059ed1f9bb2d3f67e9af713fc9bb86711a23a2c9360c64820
  5. 04 L d8cd77b3cd4f662a8c7cb85a2288d2906e8df950b3ff7c2f74e2d8e4120f9b20
  6. 05 R 1b646080a34caf025c6b3a08d219428d7f4abed7180ae7ff6321e0b46fd2c81a
  7. 06 L f78c6a80b3d49a0f75745eadf385f115d872dbc9157b7f7d930dcd9e7dab1180
  8. 07 L 65deaa1ddd5578557e220b031c98b811db975a2cfda200a038e51b0c4751a6c0
  9. 08 R a502206cf5404eeee8047e1a27d90b7f642c169be4a795d2aa68048d2e6676de
  10. 09 R f97b57999bce4bd969f1a139a61670442ae02edb54f740337f666eedd353ada9
  11. root  b14c9f3bbff7638447f913e076d67c2ff97018a17c592327e03dde15c1af0f12