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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-BULACAN 1ST DEO Award a ₱42.2M contract to FERDSTAR BUILDERS CONTRACTORSNational agencies

Transaction hash:
332a22c2e2104f295217f2ea068f5cad2a0f25a3479eddcc68dea21cd845a553
Status:
Included and unchanged
Block:
#1,349 4,664 blocks after it
Position in block:
Transaction 19 of 109
Award day:
Jan 13, 2012 (14 yrs 10 mo ago)
Value:
₱42,167,591.70
Project:
Channel Improvement Calumpit-Hagonoy River Calumpit & Hagonoy, Bulacan

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 #1,349 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-BULACAN 1ST DEO awarded it to FERDSTAR BUILDERS CONTRACTORS on 2012-01-13.
    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)
    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   332a22c2e2…45a553now      …
  2. 2. Block Merkle root changed
    stored   d8431eda1f…382044now      …
  3. 3. Block #1349 hash changed
    stored   9b60b03a89…cf8881now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 108 records. Each step hashes the current value together with the sibling shown.

  1. leaf  332a22c2e2104f295217f2ea068f5cad2a0f25a3479eddcc68dea21cd845a553
  2. 01 L 2e23bf4715dddc8aef60fd74945cbc66672fca100c6ec2ec927678b1ac0354b0
  3. 02 L f57118745a8e0184b266ec492c7ca1bae9688b5fcd981836b7a0de241a23fbd4
  4. 03 R b25e4b0d4c215765c60ce096a3527b917842c41cf0d789a35fd114aa56c05ff7
  5. 04 R a05672dba1e70f87af442502c2d48dac7a0f334af52251dfa74987a027dad576
  6. 05 L 524d25449b9034bbdd2e8bdb98ca719ec09bbea428a4004e4ab8f0c247f489f6
  7. 06 R fe4fc6d9f3f5097492f16f87e0e8028ae6813b9c3541d3727a85c0cd1c73e7bd
  8. 07 R 71dc86e9a6c081b8e75260d6966b215c6c981762defccadf4435451562cb13bd
  9. root  d8431eda1fabb275d8dea3fa9552d6b90533eb11be7cdaf6ed56b337c7382044