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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 - BAGUIO CITY DEO Award a ₱2.4M contract to B.D. OLOWAN CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
3867ca8e49f5ae21bcbc3d285cf3410cc44253b2ad4eb595479838e022e67b1f
Status:
Included and unchanged
Block:
#3,029 2,984 blocks after it
Position in block:
Transaction 47 of 245
Award day:
Mar 27, 2017 (9 yrs 7 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 #3,029 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 2017 MFO-1", i.e. the FY2017 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 - BAGUIO CITY DEO awarded it to B.D. OLOWAN CONSTRUCTION AND SUPPLY on 2017-03-27.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17PD0023: 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 2017-06-14). 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   3867ca8e49…e67b1fnow      …
  2. 2. Block Merkle root changed
    stored   8280f11312…9f68a1now      …
  3. 3. Block #3029 hash changed
    stored   2c3e4cd50e…9168d9now      …
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 244 records. Each step hashes the current value together with the sibling shown.

  1. leaf  3867ca8e49f5ae21bcbc3d285cf3410cc44253b2ad4eb595479838e022e67b1f
  2. 01 L 35fa811d84805ed4675f5d9b25c6b3e8d2c4e4ffc5f2f5e4711eba03bd4d3f98
  3. 02 L 8a4d3d74275c4368fb59f2ee16bcee03b93438b28c1423a47cdcc72b152995b1
  4. 03 L 0f8c8882225a64d16573e7e7a805b56d7f6515ee7ca4e7df58d24b0046a26b81
  5. 04 L 1d2df36a773861e672f4fd9a8b0258753cdd7c5b9f9adb40a3044e874445d1b3
  6. 05 R 952627afd4d119b39af1e0e81a7c8f9b586a0f72910a2e5a08ea8148ebbd3950
  7. 06 L fa9604641c8a476371ad0a487cb85e2c2da3918d1cb31509821b595808f94cd1
  8. 07 R 7e98c81ce07a2eae4098295b652cec2020859ce6ee844d90cbd85b60dc41d0e1
  9. 08 R 2089a466e179d14e617413c1b3e33dd2d3ee35215efc212c35880bdc65f7873b
  10. root  8280f11312606f66e224f4c9b3223bf8f0590dd82fc8c1adf8b7b50f349f68a1