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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 1ST DEO Award a ₱1.9M contract to 969 CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:
508dd9649573b3780f0bbc82afd92a2a5e53170110ab4f7d325a5a6f0a628b1d
Status:
Included and unchanged
Block:
#2,635 3,378 blocks after it
Position in block:
Transaction 64 of 227
Award day:
Jan 13, 2016 (10 yrs 10 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 #2,635 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 2016 Locally Funded Projects", i.e. the FY2016 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 1ST DEO awarded it to 969 CONSTRUCTION & SUPPLIES on 2016-01-13.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 15BE0135: 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 2016-05-10). 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   508dd96495…628b1dnow      …
  2. 2. Block Merkle root changed
    stored   5ff788ee6d…0ab5afnow      …
  3. 3. Block #2635 hash changed
    stored   4368b6b3b6…19220enow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 226 records. Each step hashes the current value together with the sibling shown.

  1. leaf  508dd9649573b3780f0bbc82afd92a2a5e53170110ab4f7d325a5a6f0a628b1d
  2. 01 R 50ed7e340eeee11cb82d48db29dfceb2c583234691bae60714f8d5a79f430e99
  3. 02 R 66b245fd816dfa95d6e8331ce2f186b214d836499bb2277f5072ca47dd0c5962
  4. 03 R 1295bcb8121bf8e762599c3b2d0cf9325bd5ee0c3d984a638b985e80772adc1a
  5. 04 R b30ec8da22d8df51076eaa1c292c94b99d47057d76057cf193e939f0b357fd85
  6. 05 R 8f7d4afe830cce64bfff324bfdba9617d0b46c1dc200a3e3ba9d5b21c82a1c0d
  7. 06 R 72c0882cf8436c3054a9cba1c06fb4518a613178ccabaf9526de7f4b650d4c03
  8. 07 L 346d446546376b55f9650d691cffa7dfeab82711f66d02244dffaa10f30e78db
  9. 08 R b1e70576ed0b96e70b2dcfdb426f95ca82799019ae7ebaac1e224972a793d764
  10. root  5ff788ee6d0a5880be661dd3567f9c4c07fbcb4dacf59864c654f74a600ab5af