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, ILOCOS SUR Award a ₱198.9K contract to N.A. IBARRA CONSTRUCTIONMunicipalities
Transaction hash:
491aa7f83cf5d5d1dc2cb0eebbf43b2709ee6323d500b718941007f04a144ac9
Status:
Included and unchanged
Block:
#968 5,045 blocks after it
Position in block:
Transaction 11 of 31
Award day:
Sep 28, 2010 (16 yrs 1 mo ago)
Value:
₱198,916.54
Project:
repair of box culvert-nagsupotan
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 #968 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, ILOCOS SUR awarded it to N.A. IBARRA CONSTRUCTION on 2010-09-28.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 491aa7f83c…144ac9now …
- 2. Block Merkle root changedstored 78163ff041…2011a8now …
- 3. Block #968 hash changedstored bc3ad7984c…6c065fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 30 records. Each step hashes the current value together with the sibling shown.
- leaf 491aa7f83cf5d5d1dc2cb0eebbf43b2709ee6323d500b718941007f04a144ac9
- 01 L 4387b59303828dd4de668723245bb472de894b81e307f8df861dbfd135933f26
- 02 L 6047fd5dd3c2c48605d57e77fb144959c528e2e94156107451c4df611f411c2f
- 03 R 0d997176dd3658266df437ef20a182bdeff38317a7a8c9c3042c409653060a04
- 04 L 4f5f039160ffa45f0d38fd3902d52bced6d0c6c40b65d1260009ce87cb3a0dbf
- 05 R e46870b7dbddbf1bd22accb33122ae2343839f7f4a73725726ca1e656b88ef55
- root 78163ff04142ba5b9c795623142a8de9f82acf93323860d6fc508859ab2011a8