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
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED Award a ₱19.2M contract to 4J'S CONSTRUCTION SERVICESNational agencies
Transaction hash:
2c07dae9871d1af2e487da3f1e35b27bc4aaaf92d5a33eafa9f5d0016500a756
Status:
Included and unchanged
Block:
#5,938 75 blocks after it
Position in block:
Transaction 33 of 198
Award day:
Aug 18, 2025 (1 yr 2 mo ago)
Value:
₱19,206,030.96
Project:
25OF0244 - DRAINAGE REHABILITATION AND IMPROVEMENT
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
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 #5,938 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED awarded it to 4J'S CONSTRUCTION SERVICES on 2025-08-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA 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
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 2c07dae987…00a756now …
- 2. Block Merkle root changedstored 0bdff7dd23…f67c1bnow …
- 3. Block #5938 hash changedstored 0a31825eb5…a80ab6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 197 records. Each step hashes the current value together with the sibling shown.
- leaf 2c07dae9871d1af2e487da3f1e35b27bc4aaaf92d5a33eafa9f5d0016500a756
- 01 L 29fae734151d91a7110f99e2e8354bce610abb841dad77f130108a3e32e60e21
- 02 R c168ff498c694a0e8477345ce88115a60d81f7dcf8b12e208b4ea311054f53cf
- 03 R 83d308ad7b2019ab83baf495fa47ac7b7ebec5806307e131318db060547cedd1
- 04 R 38d0b880585ce05060f7d6c4eb669e7394325d09df3272f8ba59e71a2e6ee190
- 05 R f9a6e6504e9e3e0013854574a1ea554ec36532b8589bb764d3ff83dce43a5363
- 06 L 0d9d04bb1efe52d2ad33fc9e3bf969bc7e321f24fe3ee0c25dabda236c3c569e
- 07 R d107148a3ef37d1380b680184fb97f1f61461e3ebcdc8bb6eb8a52321fd56ae2
- 08 R cf99f6da9f7bf7210d5bd2eb27740614aa44100425756773cdd1c4a41442e0f7
- root 0bdff7dd2351f1c5a401c189c740e26bfa5f6a9ac3d65234ae1807932af67c1b