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
PROVINCE OF SORSOGON Award a ₱7.9M contract to STEVEN CONSTRUCTION & SUPPLYProvinces
Transaction hash:
b88ee4af979a084eaf6e7d698cfbe047561d45918d8695e934eeea455dc229d0
Status:
Included and unchanged
Block:
#1,112 4,901 blocks after it
Position in block:
Transaction 39 of 55
Award day:
Apr 5, 2011 (15 yrs 7 mo ago)
From:
Value:
₱7,946,863.00
Project:
7. Concreting along Pawa-Sta. Magdalena Road
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 #1,112 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)PROVINCE OF SORSOGON awarded it to STEVEN CONSTRUCTION & SUPPLY on 2011-04-05.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)COA's CY2024 audit of Sorsogon gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 b88ee4af97…c229d0now …
- 2. Block Merkle root changedstored affdb7628f…6e1a29now …
- 3. Block #1112 hash changedstored b5c7ada218…9ad0canow …
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 54 records. Each step hashes the current value together with the sibling shown.
- leaf b88ee4af979a084eaf6e7d698cfbe047561d45918d8695e934eeea455dc229d0
- 01 L b4fd94ca51094254430246065feb7f72fcd273ba6e6388d5d42a91bfc95e95dd
- 02 L 913221b5aaa004d0755ed55831003b9a682206fb1c849899cf29e86e19c96c2b
- 03 L 6b3e9af1467c238deb408327153d68a8a4042969d0ed4da7c17f7d18c97c9d4d
- 04 R c7292a3aa9f3fa50b0092c7eb0223cc106502e8c18ecd4fbf0241569f95f5116
- 05 R 989bd32a862a74cd83e250232dde4b9b375fec477c71cc61a27c5f514037abe0
- 06 L 3892f80cbf209b2ffe769f0a314bb09eaba9d4e2b99103d242ca32eeb1e14899
- root affdb7628ff28598e75bafefc63fd4ec760fc56932f520ffc7868ef5aa6e1a29