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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 - QUEZON 3RD ED Award a ₱19.3M contract to R.C. TAGALA CONSTRUCTIONNational agencies

Transaction hash:
b1c8b7531bf8cb8ee181b73f5bd5d934a166aa73cf63f9b98935ec8741bcd255
Status:
Included and unchanged
Block:
#701 5,312 blocks after it
Position in block:
Transaction 18 of 23
Award day:
Oct 2, 2009 (17 yrs 1 mo ago)
Value:
₱19,274,887.65
Project:
Improvement/Rehabilitation of Padre Burgos-Pototanin Junction Road (Asphalt Overlay), Km. 156+487 – Km. 158+251, Quezon III

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 #701 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 - QUEZON 3RD ED awarded it to R.C. TAGALA CONSTRUCTION on 2009-10-02.
    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   b1c8b7531b…bcd255now      …
  2. 2. Block Merkle root changed
    stored   d7891223f8…c0703dnow      …
  3. 3. Block #701 hash changed
    stored   25701985ff…33f092now      …
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 22 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b1c8b7531bf8cb8ee181b73f5bd5d934a166aa73cf63f9b98935ec8741bcd255
  2. 01 R cde6bf1996b982f0617acfbb115e5ae74821214c630504e1768cda0542b59b52
  3. 02 L b74821747fa0d4c3e2386a32bba55ef6c4dee4c4f4edffe95836b659131a5ab0
  4. 03 R 126d0bdbe3c1d01e1b870ff75807fd415f953a603e49beaf16ecde6928f42936
  5. 04 R 56d9ed9057b97f46dbc4c2a8cc29936133e5139fd689a7e0e5458a451bf8130a
  6. 05 L 1e2e506bc56cbaa2fc03adcd3bdaa72a8467767c8fc1af1d6e6b645fb8917a25
  7. root  d7891223f820bed14a1e5b15a2367e790315e385eb3112789982665a41c0703d