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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 - CAMARINES NORTE ED Award a ₱22.8M contract to NAGA E. S. CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
ec40bbdd0c86467f3fbf5273b4f0299cdfc7fb50c11d1cecd5801e9c9f477da5
Status:
Included and unchanged
Block:
#1,998 4,015 blocks after it
Position in block:
Transaction 56 of 62
Award day:
Feb 12, 2014 (12 yrs 9 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 #1,998 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 - CAMARINES NORTE ED awarded it to NAGA E. S. CONSTRUCTION & SUPPLY on 2014-02-12.
    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   ec40bbdd0c…477da5now      …
  2. 2. Block Merkle root changed
    stored   7cd837cdd8…630bcbnow      …
  3. 3. Block #1998 hash changed
    stored   507f598107…4ae853now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 61 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ec40bbdd0c86467f3fbf5273b4f0299cdfc7fb50c11d1cecd5801e9c9f477da5
  2. 01 R ef78e82be32fa47b4719dbe6fb2b74f13d8546e60d389bc2ca7b69278bda0e02
  3. 02 R 090543df47346456f7e723f8524ca11dca5ea4343d514dd0e561313a7cdfc665
  4. 03 R 316ca7afdc2195f607e28065f2930b321508e0de9b8c3af720235fd0e326e681
  5. 04 L cc16a6e13d244008d33c6bcc37fba808b0cf0efe9edcc99ce2738f127680d014
  6. 05 L 23aeea9796a1688c4efe6619e754ca5d2bcc38c84ce774431aa5683582a13ffe
  7. 06 L 3cf5e54a354d54ce9cebf70e1b00183e82cd2ded8f4ec12cf286dffa64a25ab5
  8. root  7cd837cdd891e84439b5e1111b9993f350dbb01a4b48758b81e99740f0630bcb