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
CITY OF ILOILO Award a ₱199.5K contract to CHEDMARYL CONSTRUCTION AND SUPPLIESCities
Transaction hash:
1bfaedec00d65eb5bafec03fcd58767f7edc3c55bc3d04900d2a61c0bad81859
Status:
Included and unchanged
Block:
#1,623 4,390 blocks after it
Position in block:
Transaction 4 of 46
Award day:
Nov 28, 2012 (13 yrs 11 mo ago)
From:
Value:
₱199,498.27
Project:
Roads/Public Alleys/Construction/Widening/Concreting/Asphalt Overlay of Road at Brgy. Hechanova, Jaro, Iloilo City (BID NO. 0443)
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 #1,623 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)CITY OF ILOILO awarded it to CHEDMARYL CONSTRUCTION AND SUPPLIES on 2012-11-28.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 City of Iloilo gave a "unmodified" 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 1bfaedec00…d81859now …
- 2. Block Merkle root changedstored faa91c6cd9…4be55cnow …
- 3. Block #1623 hash changedstored fa629733b0…1dc8e5now …
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 45 records. Each step hashes the current value together with the sibling shown.
- leaf 1bfaedec00d65eb5bafec03fcd58767f7edc3c55bc3d04900d2a61c0bad81859
- 01 R 1fe42029e23d6ff41374578402eaa51c2422b7926ebff082a5b53437e265fb44
- 02 R d44e70dd813d2a9d3c80fcc6119dde794eacd2ae1b655b47a12d822f0eb89687
- 03 L 4af661e0820be199a50559273f3566e5079e4176c007886ea40f9faaa4371a53
- 04 R 97f86d58622067a9b996fd471fea756e6fae7bba8497d9c579aab7050c9557eb
- 05 R cf654515b7dcd688844a46b63d5d9a1588109fb1dcf68768d0387c5cde84ca88
- 06 R 64e325684f48f314aabe47b6b86c4c0502f77afebad95439ac05b833a19c7ccf
- root faa91c6cd9c0015a09e10b0c6450329920041e7ed91cc881bb22d8acb04be55c