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 - MAIN Award a ₱14.3M contract to R.A. PAHATI GRAVEL AND SANDNational agencies
Transaction hash:
58c91fc2c46d352d750bc7fcf30ad995719a50d39644848f92d170bc0f22b543
Status:
Included and unchanged
Block:
#1,089 4,924 blocks after it
Position in block:
Transaction 24 of 63
Award day:
Mar 7, 2011 (15 yrs 8 mo ago)
Value:
₱14,280,498.32
Project:
Contract Package 43
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 #1,089 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 - MAIN awarded it to R.A. PAHATI GRAVEL AND SAND on 2011-03-07.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 58c91fc2c4…22b543now …
- 2. Block Merkle root changedstored 6b93aedc4b…512a2dnow …
- 3. Block #1089 hash changedstored c822e12c07…6a22f6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 62 records. Each step hashes the current value together with the sibling shown.
- leaf 58c91fc2c46d352d750bc7fcf30ad995719a50d39644848f92d170bc0f22b543
- 01 R 59c0359a63294c356493370a94dede3bfeb4f7d22bef7de13bc9e718239c4ddd
- 02 R 0129f6106fcf96a6755576fb2fcc3adec3dcef1426e5229c7a77846a6a3fe4fc
- 03 R 475c7678934990cd8c704c5b3401aa66e7200161beb56886e74f05231b6fb270
- 04 L 8ef7283ab4e84ad7b47d4917a9905ddc7d9176f199578d316a19fa5f4f6a64c2
- 05 L af55e903ce11f24dd96fe094df63857a4eccb50df658e65cb16ec73e4bff0164
- 06 R 95d38801a91d3ac5820d4605c37d788cddfa1b4b14e6b025a76255931c313864
- root 6b93aedc4bf73d85c558e1cdf0e6daab48090c21f06c6af5c1deef6f79512a2d