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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 - ILOCOS SUR 1ST DIS Award a ₱950.2K contract to M.V. SABALBURO CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
83dd8faee9d579904eeaf99f0067f52e1f98392bb2825db11d30d6505647f317
Status:
Included and unchanged
Block:
#687 5,326 blocks after it
Position in block:
Transaction 14 of 29
Award day:
Sep 14, 2009 (17 yrs 1 mo ago)
Value:
₱950,160.22
Project:
Upgrading / Improvement of Farm-to-Market Road, Brgy. Patong, Magsingal, Ilocos Sur

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 #687 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)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS awarded it to M.V. SABALBURO CONSTRUCTION AND SUPPLY on 2009-09-14.
    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)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   83dd8faee9…47f317now      …
  2. 2. Block Merkle root changed
    stored   1a58b73743…9ddcffnow      …
  3. 3. Block #687 hash changed
    stored   f087b8a6d1…943f6bnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 28 records. Each step hashes the current value together with the sibling shown.

  1. leaf  83dd8faee9d579904eeaf99f0067f52e1f98392bb2825db11d30d6505647f317
  2. 01 R 8aa146b1ca37f0e7edf5295bfbf2c882c8e87a15f7c2a99fd1ecec9bffe69de9
  3. 02 L 352b375ff60fd20960222963ebeda0d032fd77495588365ab2c7728522316905
  4. 03 L 3b28b80e0b51e7e92d4071ebc87a3ff91f2ab0ec42ba1875e0afc2e0e2ca3366
  5. 04 L 8a3e5768b102b81c5fc34c9a7c225dbb92cdb4135485594ede9df09d938a0285
  6. 05 R 8329fdff1340d3208bcdad8d7e83aea47e7ca840dd016fc770625cc43960523b
  7. root  1a58b73743b68b9fdd20c633bdc243d92c909a698ab1ac72cd47a4b5429ddcff