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
MUNICIPALITY OF SAN JUAN, LA UNION Award a ₱1.5M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities
Transaction hash:
cf9eea7d548d76575d66934e1cd4132250bf5f393f42d283d2753801dad5d2ee
Status:
Included and unchanged
Block:
#5,517 496 blocks after it
Position in block:
Transaction 338 of 410
Award day:
May 29, 2024 (2 yrs 5 mo ago)
Value:
₱1,487,756.80
Project:
Building Construction
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 #5,517 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)MUNICIPALITY OF SAN JUAN, LA UNION awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2024-05-29.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 San Juan 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 cf9eea7d54…d5d2eenow …
- 2. Block Merkle root changedstored 84bac4b433…8ba3ccnow …
- 3. Block #5517 hash changedstored fc3730fbdb…f4d146now …
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 409 records. Each step hashes the current value together with the sibling shown.
- leaf cf9eea7d548d76575d66934e1cd4132250bf5f393f42d283d2753801dad5d2ee
- 01 R d296e538167f69812cb73c901b17ae129183bf81158f0b5da507dbb05dd79b6f
- 02 L 2a5580382b388f42f1c97d7960da216ad67f8e2ca1c715b5151d238327e70206
- 03 R 2eadf9a2b2c3cf4359eef0365d9f0b698478905cb3a554cf29129f8c85ac3246
- 04 R 9f7ba7267fe8463a3f23465d22cc966ea158d7c49a9a4dd92d4dec9795844ec2
- 05 L 35669fc4ffab0fa113606e1beda450a0fed950506b27501e401c669bb3ccd5ea
- 06 R 0d584fbeb4724e3d0213f9c85ac6a0b99c0424e1117f3ab551e09b6a7d6341b1
- 07 L ee0b15cd53b25c8d8d7284df14a2315aca2ce8351e6d76b8b3e978f859636774
- 08 R a6720dfe9fc6f68a6a2b807874c73bb5ad77ca48615ad3d19b6a1ad7c32b70d0
- 09 L f74401cfb26e5294e20ad7c79effa72f5bf009845758e50f343664477cde449b
- root 84bac4b4339a9ec0966d67ee196c150d5eae2001e472422d18493dfd498ba3cc