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 - METRO MANILA 1ST E Award a ₱95.1M contract to NEWBIG FOUR J CONSTRUCTION INC.National agencies
Transaction hash:
2bc6f45bd41ccc501d906376f42330445d04bd8174eec3169d9960ed9fe96d3a
Status:
Included and unchanged
Block:
#5,363 650 blocks after it
Position in block:
Transaction 67 of 432
Award day:
Dec 20, 2023 (2 yrs 10 mo ago)
Value:
₱95,051,392.49
Project:
Contract ID No. 23OB0439 - Construction of Multi
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 #5,363 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 2023 CSSP", i.e. the FY2023 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 - METRO MANILA 1ST E awarded it to NEWBIG FOUR J CONSTRUCTION INC. on 2023-12-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23OB0439: 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 2025-03-21). 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 2bc6f45bd4…e96d3anow …
- 2. Block Merkle root changedstored 9413e82a3b…ad20ednow …
- 3. Block #5363 hash changedstored 4c5a653e57…c39addnow …
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 431 records. Each step hashes the current value together with the sibling shown.
- leaf 2bc6f45bd41ccc501d906376f42330445d04bd8174eec3169d9960ed9fe96d3a
- 01 L 2b816a32e826a8148db9fb789d967388e4ee78032c504d11b7408d6b767b777d
- 02 L 152870ce03f2e87fd16c9f8fb64eb762d179b9034fc31d44f9ab9b34f627eca6
- 03 R 224736771c2a9372d5a5c1f066196294186c00e6c0e6732a9f25c4a87314a5af
- 04 R 1850ad037ed733a9c30ce3deca05ab5ee70299efbfd256a23acccbbdded9986c
- 05 R a4dcb804aafeaa85bf719be9354425915a39c611d39a832f181c60a0e2191c41
- 06 R 25ddbbecb8b5ffbe4173c375e500f5e1355232c216b076fe9a693d6c7b76f518
- 07 L 0b251d8cef1afefbd5c7f9cb3b1da5e04d7623fbd5378a0f6d88c8d5eb8f92f4
- 08 R 891b6bcd0ec9eb597675c79df5e4c049d363c1bbb8f96f432bb8f253d2927d47
- 09 R ea9741b468db204a9a10d5ecf391507c5d08b8987a2ab89f5593ca58f619cfca
- root 9413e82a3b269da0ab3b1e0d02aea74f631e40b2d36de052c402e4ae45ad20ed