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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 - TARLAC DEO Award a ₱16.0M contract to NORTHERN BUILDERSNational agencies

Transaction hash:
5aefcee299ae04a320e2f01f9ea1747bd819a361d87a6ae89468088f2ffbbc31
Status:
Included and unchanged
Block:
#2,471 3,542 blocks after it
Position in block:
Transaction 101 of 274
Award day:
Jul 24, 2015 (11 yrs 3 mo ago)
Value:
₱16,003,968.10
Project:
Construction of School Building, Cluster II at a

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 #2,471 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 - TARLAC DEO awarded it to NORTHERN BUILDERS on 2015-07-24.
    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   5aefcee299…fbbc31now      …
  2. 2. Block Merkle root changed
    stored   f7b55ae96b…1b7635now      …
  3. 3. Block #2471 hash changed
    stored   3c0ec21c09…8ba3f7now      …
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 273 records. Each step hashes the current value together with the sibling shown.

  1. leaf  5aefcee299ae04a320e2f01f9ea1747bd819a361d87a6ae89468088f2ffbbc31
  2. 01 L 5ad437828bf7f405f1c5d9b99ab4c9e9be79bc7b9e93b4aa84e45df68266098f
  3. 02 R d0438a3bd067b41f7bc433221de1aedf6cea2af8c45ef6192053b98df7cd40b5
  4. 03 L 953e85914c167271e36f815f0117c170130de943adba0c4c7cc283b0a8985db1
  5. 04 R f32ea2d51a1987836c79291d1deabbddbc21ccca96fc9531c5492d56a902bd75
  6. 05 R 99cd686bf829c751c9089f2773fd13cc001ea85834f8862ceb81fa59e3576c11
  7. 06 L 9cd5049c9c0aa812f79d46f586ff7832855a8949885a52a9ca008bcf2d88c375
  8. 07 L efec8cc6f532480e73db941284d437e65b68a75b7ca963dff2d02427fa36792b
  9. 08 R a4d60c61358be82e767547e429bbf488c8b2015f06300d92b661b4a1acc5556f
  10. 09 R a5688b9f928931d74c960b60c9f91ec0b60f9b83f3c73088bddf808083ecd01e
  11. root  f7b55ae96bf9bec06884096dfc556e17b340c7046129b067a2051e0b731b7635