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 ₱9.4M contract to PERRC INC.National agencies
Transaction hash:
2c21da0de90fe75282abbffc8603f6781921a6202dc418974b98066117739bb7
Status:
Included and unchanged
Block:
#4,612 1,401 blocks after it
Position in block:
Transaction 63 of 311
Award day:
Oct 28, 2021 (5 yrs ago)
To:
Value:
₱9,405,995.96
Project:
21OF0201 Improvement/Rehabilitation of Road at Wes
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 #4,612 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)DPWH lists the funding source as "Regular Infra - GAA 2021 LP", i.e. the FY2021 GAA. The exact UACS line is not given.Partly
- 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 PERRC INC. on 2021-10-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OF0201: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2022-03-08). The certificate itself is not published.Partly
- 8. AuditCOA 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
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 2c21da0de9…739bb7now …
- 2. Block Merkle root changedstored 2a1bb8e0ca…707eb9now …
- 3. Block #4612 hash changedstored d713f58114…2bd467now …
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 310 records. Each step hashes the current value together with the sibling shown.
- leaf 2c21da0de90fe75282abbffc8603f6781921a6202dc418974b98066117739bb7
- 01 L 2b8273f04da65717a3c7e04a116c2d2fe6bd160f6460dc9fc685eb51488f6f05
- 02 L 9e111316ab5499985ed4b3b71c8ae6b8bddf52c5dddcc7d752b82058514e0c6a
- 03 L c7f20f0f44a448e9089b7a38a9c9d8c3a24dab917c8f8c8a924ca778b946bea0
- 04 L 9af8a31fea5fb9084e3d97dbd58b950c4e12431cd4aa32084bbd4a70fa083147
- 05 L 13ba0e1d8480d734ed7f276000c209059d60d87d95b007a97c5203b80af3e88c
- 06 L d6e6749481d37c8611b9d17cde846a0748cbc7c47201e3a9d1e6925b7d5debba
- 07 R 5d18caa18483700229d39930d78a411075e9858c7d12749312d8130faf3cec27
- 08 R eb5f5b8cf0f6abbe4b695d383f400b6bac676b48789439afe3d1ce5cd2375da6
- 09 R d87d34e3861f85899c6cc82309b294cf528b887833dec0e891533e596c0016d5
- root 2a1bb8e0ca8bdaaf8c57be8cf931b9d0fe45b880236e287b3c30508310707eb9