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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

MUNICIPALITY OF SAN JUAN, LA UNION Award a ₱2.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities

Transaction hash:
ac8a89900fac1493f3e00eb83d7d63a1bab7d9e8c6383ad46467e3e574f75e3c
Status:
Included and unchanged
Block:
#4,387 1,626 blocks after it
Position in block:
Transaction 171 of 243
Award day:
Mar 11, 2021 (5 yrs 8 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 #4,387 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 SAN JUAN, LA UNION awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2021-03-11.
    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 San Juan gave a "qualified" 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   ac8a89900f…f75e3cnow      …
  2. 2. Block Merkle root changed
    stored   accc0ce19a…2d431cnow      …
  3. 3. Block #4387 hash changed
    stored   a7fb82b5cc…41433cnow      …
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 242 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ac8a89900fac1493f3e00eb83d7d63a1bab7d9e8c6383ad46467e3e574f75e3c
  2. 01 L ac79a1165a158f13255fcc7c6e88bab396c3d5671244040c202abf942302a06c
  3. 02 L 0a6c505d955e624953496a64b418653f16fe9941037d0283269a995319ad7532
  4. 03 R b02e21a9a4482c561942cb475202972337feaab9739088a485d26dafaebcab37
  5. 04 L 1c23c6b1a0d0ac4eafaa1242fd7afdf8ac76fa4e8587822c7233c6b90319b48a
  6. 05 R a900dabeab1feec60dd4f44627e76f9967fc37a9b4a17caee74dd4c380a94458
  7. 06 L a7b12c1a78d532df04b9da594f266247436f0a6223382f72e3576af542ec67b1
  8. 07 R fc1b6e73cf42a8fd668251bbf5a45ee586bbbbadbb52c7ba886c3875e2bf4ee6
  9. 08 L a148c44289b9c6a21f3165c05f24c789940a8cc72a5f436e5fbd945cbcb7a8d6
  10. root  accc0ce19a9241493356a6ce2f79f0bf2572cd2bba9fbadae23ea3e7642d431c