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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 AGUSTIN , SURIGAO DEL SUR Award a ₱499.8K contract to OLIN DEVELOPMENT ENGINEERING & CONSTRUCTIONMunicipalities

Transaction hash:
e1dfdae16481756a139d7db6795f007b32e5d875a4ae037791705d5e2ba392dd
Status:
Included and unchanged
Block:
#4,800 1,213 blocks after it
Position in block:
Transaction 274 of 325
Award day:
May 13, 2022 (4 yrs 6 mo ago)
Value:
₱499,784.25
Project:
CONSTRUCTION OF NURSERY AT ECO PARK

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 #4,800 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 AGUSTIN , SURIGAO DEL SUR awarded it to OLIN DEVELOPMENT ENGINEERING & CONSTRUCTION on 2022-05-13.
    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 Agustin 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   e1dfdae164…a392ddnow      …
  2. 2. Block Merkle root changed
    stored   e8e89195f7…5e8ff4now      …
  3. 3. Block #4800 hash changed
    stored   74703e64c0…ecb338now      …
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 324 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e1dfdae16481756a139d7db6795f007b32e5d875a4ae037791705d5e2ba392dd
  2. 01 R e2172d6b500a6bde4790a2ba638a144ba05bbe2d32806e3348eef055649e125d
  3. 02 L 4035950e5addce7b0abd29c5e92c7b4dd4baff55afb82d8781d7b7acbda2117f
  4. 03 R 0839f4ba0afa64824a1273c56fbaaa8f7e3a8d778659ac197435c3e833fbcb5f
  5. 04 R e7b02b07c98516599845ea0d4ee4853f01d2cb391f407bdeddf168cf35770378
  6. 05 L b0d3b48ebf3fad36748a66077fb4119c35e9db71b16d1183e99b51509e5fa998
  7. 06 R 1fbf9fd9853ec87e2ed87036163146b338d46eb54f032fcbd5c5b122c4ea21dd
  8. 07 R cd3f3f17306278a22ffd9098cd71b28b990a0a8d3cc94fdd824453f76760b4ba
  9. 08 R c853a9d080fe97f91f495035170b22865937d08fce765b23b0de999f98ed8bcf
  10. 09 L 192c30343a18974e1c48db5da1701b8d7f0a9170ee953d3fe16dab55c542536a
  11. root  e8e89195f7cad0ae904302fe7b187e218578406f76ae7f9a30ac96a3a15e8ff4