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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 ₱2.8M contract to SPYS BUILDERSNational agencies

Transaction hash:
b5f10c1937de074880e9775b276db58f7380650522a41b39fb4ca3f600c3ac25
Status:
Included and unchanged
Block:
#3,795 2,218 blocks after it
Position in block:
Transaction 321 of 470
Award day:
Jun 20, 2019 (7 yrs 4 mo ago)
Value:
₱2,821,265.80
Project:
19CJ0129

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 #3,795 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 SPYS BUILDERS on 2019-06-20.
    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   b5f10c1937…c3ac25now      …
  2. 2. Block Merkle root changed
    stored   6f30ab76c5…447c47now      …
  3. 3. Block #3795 hash changed
    stored   b0ab307524…e768b8now      …
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 469 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b5f10c1937de074880e9775b276db58f7380650522a41b39fb4ca3f600c3ac25
  2. 01 L b5ee96766f284de82f7540d90b776b295045d176bde5e8f8d32a43b82fd38935
  3. 02 R 2339afc137c7221acf723edfce357e27f67d4aeb556e71f0ee0c3dac6e5b9a12
  4. 03 R 4fefead3c44008902be96b47f10166693281316c98686ecd4aa7920f7f0fc13d
  5. 04 R ea7c207dcd29db7d14922681f7cd68f5386819d789fe834f74f4adebdd976dbf
  6. 05 R ea1f05fbf265705cfcdedca8d354cf6eec87be760327446d086e7f3dde56d890
  7. 06 R f8d22d45ed0931a432f8ce7e8d8b783d9cfe244b267fc289fd601e9c3fd8b203
  8. 07 L 598a3ef3aeeef2c96af60f9a47e2890ae56eeecef4f886f412a346b7988683a8
  9. 08 R 622a880df74de7383cd30e6ac2b1332e1f9bdb3e27f7716fad483eec0c3be776
  10. 09 L b96fbc06661a941f00dbe290ce940921abc0db3e868fb8a73ec179295c0267a7
  11. root  6f30ab76c502e6fdbf521332f3276ac7be6f3257b3b7533d495e652304447c47