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 1ST ED Award a ₱31.9M contract to PRECIOUS CONSTRUCTIONNational agencies
Transaction hash:
8ff0be36da543b4ee9574bf9c6e0ed9a2f3cee387e2039098083ac02281c51f2
Status:
Included and unchanged
Block:
#2,447 3,566 blocks after it
Position in block:
Transaction 154 of 278
Award day:
Jun 30, 2015 (11 yrs 4 mo ago)
Value:
₱31,894,696.32
Project:
15DK0048
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 #2,447 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 1ST ED awarded it to PRECIOUS CONSTRUCTION on 2015-06-30.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 8ff0be36da…1c51f2now …
- 2. Block Merkle root changedstored 3a53c32f7f…ea3c2bnow …
- 3. Block #2447 hash changedstored 5dd33a7f0d…ce8fb2now …
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 277 records. Each step hashes the current value together with the sibling shown.
- leaf 8ff0be36da543b4ee9574bf9c6e0ed9a2f3cee387e2039098083ac02281c51f2
- 01 R 91affd5dd2ba5b07d9cbcf5743559cfe32037a890b5eb2db66fc6c3b484b2c74
- 02 L 42488cac72acded673ed87be6a19ef6693d47e9b5686486d7b102eb9e7f059e6
- 03 R 92d22d8cae92bba987897e978aacc20ebe524f6b313140967d5ad5022597da34
- 04 L 9d0b1352ee7c35e9fd208387404beefa3ce07a94f1b71b3e1773557bad0299c5
- 05 L 5996e3d59dc1731e3a2fa68ab6edb8ec1868c594828d74005309cf6937e76b12
- 06 R 901338664f01bd0871987a4507af8583476ffe9217946a1603c190de20d17b04
- 07 R 1bb1b1789572e40b6d4eb435dc0e199f2f498eccce09e35c2c9f0163d0579ccf
- 08 L d144c137e47c24f9bb08d1c51f770d42c2a6a1d261667e06d52a1d1cfedb6862
- 09 R ac46420f8f2a465e9078e480fc038b179425cb5e7119b089a9eb231baacd5453
- root 3a53c32f7fc24030f0419b7d6556d51ca3e6090207d5e011671049adecea3c2b