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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 - COMPOSTELA VALLEY Award a ₱19.2M contract to R. SEMILLA CONSTRUCTION AND MARKETINGNational agencies

Transaction hash:
a803fa9afce4f8bb68c0d055360f7eb7017f69d0eb4dfa881c21d503d9d6e8c2
Status:
Included and unchanged
Block:
#4,037 1,976 blocks after it
Position in block:
Transaction 173 of 273
Award day:
Feb 28, 2020 (6 yrs 8 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 #4,037 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)
    DPWH lists the funding source as "Regular Infra - GAA 2020 CSSP", i.e. the FY2020 GAA. The exact UACS line is not given.
    Partly
  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 - COMPOSTELA VALLEY awarded it to R. SEMILLA CONSTRUCTION AND MARKETING on 2020-02-28.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20LA0060: Completed, 100% physical progress.
    Found
  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)
    DPWH marks the contract "Completed" (end 2020-11-15). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 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   a803fa9afc…d6e8c2now      …
  2. 2. Block Merkle root changed
    stored   9cec76e474…850435now      …
  3. 3. Block #4037 hash changed
    stored   1b5b6a82ac…34c30cnow      …
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 272 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a803fa9afce4f8bb68c0d055360f7eb7017f69d0eb4dfa881c21d503d9d6e8c2
  2. 01 L a7e239ab2288d81e583b5419b2433cf0060f500903b119d22030cc609ebecabb
  3. 02 R 0b18350dce070718dba439f5e43966d6ed0e09421fc672e0592683984b9a747e
  4. 03 L 2dcdf7e5ee9bd2004ec6e0ff5e6885b4da0679a6c9d608f2805ce748da80ddaa
  5. 04 L 703ecef37a97ba7d895dd339e7bfda6669d8d600aacc05b22bc8e7b0bf200321
  6. 05 R 5bbb8799f53cb6dd920cde285fde81176f3b8af2dc5cc4c4690f64d12a42414c
  7. 06 L b7f5b60a5478a555bf0e82efbf084803ad84be527f54312d9f176269e0267652
  8. 07 R 88b58437a5e8b5f0527b0a5c7204d2fc853df965b2eaa43787a2e5a1c2a0455d
  9. 08 L 9c8b1965848d699173f25241996a2a563f2bfb95d4c5983ff03c8b20d754b66d
  10. 09 R b7c40b88e7199af802c48f51c2e7275d0c93fca17023167c54fe85202b62a413
  11. root  9cec76e47489501da499f11d1e0bea29ba83a5641a4871598abdd00992850435