Skip to content
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

MUNICIPALITY OF BANGAR, LA UNION Award a ₱547.6K contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities

Transaction hash:
e48fd37bc642dc3f448b8323400363abf07e157b571e1bc09a892d43722d06dc
Status:
Included and unchanged
Block:
#2,995 3,018 blocks after it
Position in block:
Transaction 394 of 446
Award day:
Feb 20, 2017 (9 yrs 8 mo ago)
Value:
₱547,607.05
Project:
REHABILITATION & IMPROVEMENT OF 16 ELEM. SCHOOLS

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 #2,995 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)
    The award does not say which budget line pays for it.
    Not published
  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)
    MUNICIPALITY OF BANGAR, LA UNION awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2017-02-20.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    COA's CY2024 audit of Bangar gave a "unmodified" opinion on its financial statements (not specific to this contract).
    Partly

1 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   e48fd37bc6…2d06dcnow      …
  2. 2. Block Merkle root changed
    stored   20daf9f477…7802fenow      …
  3. 3. Block #2995 hash changed
    stored   72fe93d5cd…f60853now      …
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 445 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e48fd37bc642dc3f448b8323400363abf07e157b571e1bc09a892d43722d06dc
  2. 01 R e4dc79d3e0f7abcdd228e9aac192a514d4f67d92b5308d66d6dfeacc735435b3
  3. 02 L 1678150cbaec0c6604cbbf14e8f5463e847e082ddaea7bf007bbc9dac0f317cb
  4. 03 R ee6149dec4165e0929c3212a6aa9c2f84c906efe283e06c34c64350e14834131
  5. 04 L 0ba6f79bc07eb27e7aa07be09af3704dad7c45ea151e1a10c93316e7dc00dadd
  6. 05 R 3efc25e8ed7eddfac0e171cea02fe05aea93948faf325ef0e7c000d81bcaabe8
  7. 06 R 7e97d2d770837ef7b4df4fbc6e54fb68cb4356ac5aa11da87722fef9e3adb0ee
  8. 07 R 9b4b25e5c6cd3e793daebf4f2d140984b2cbc1e88780332064468812f33d5d7a
  9. 08 L 35c48f94e54e60b2ccf7515455fcb74a27c36dae70748fd0936eac47462d072c
  10. 09 L f9d36515fbed53344cdb3c2b012e747fd438511e368158429b5e30e4aaadb6a6
  11. root  20daf9f477fa71e27460321cbfd96483db44c654be4aedcfdebb8defe07802fe