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 ANTIPOLO, RIZAL Award a ₱498.3K contract to MARIANO M. MACLANG CONSTRUCTION AND DEVELOPMENTCities
Transaction hash:
518c0e1a3bd88ce5cbec9d4e00b787b4cff06e1c565731eb6e65b43e6ebb4f57
Status:
Included and unchanged
Block:
#2,388 3,625 blocks after it
Position in block:
Transaction 58 of 200
Award day:
Apr 24, 2015 (11 yrs 6 mo ago)
Value:
₱498,291.00
Project:
Imprvt./Concreting of Road Lot 4 at Sitio Pulong B
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 #2,388 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 ANTIPOLO, RIZAL awarded it to MARIANO M. MACLANG CONSTRUCTION AND DEVELOPMENT on 2015-04-24.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 Antipolo 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 518c0e1a3b…bb4f57now …
- 2. Block Merkle root changedstored a7ff378eaf…a5d62anow …
- 3. Block #2388 hash changedstored 4ce87aa773…8f904cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 199 records. Each step hashes the current value together with the sibling shown.
- leaf 518c0e1a3bd88ce5cbec9d4e00b787b4cff06e1c565731eb6e65b43e6ebb4f57
- 01 R 51dba3459b0863e2efd867a894c846cf18fdf702821c9cc9e1ff918ed1e5a7a1
- 02 L f58398a77c3996346406ad5cc44c85eeb745b140d28c68d70b097400991fb45b
- 03 R b72375292db3cd09b95a5c9853727036e7d92167eaf102cdbb5069af722fb239
- 04 L 5ee0297fe442a30e24297e3223b169a55a1dc080be20b65ee4a795504b93d4fd
- 05 L c63042edb8a99e27a82677750991d41f5935aca52786e8dc45bc12a9f06d4733
- 06 L f7e9528c67393110bf28afaac6eb5480151e68132670dd4275142f265439ebbb
- 07 R ad5baeae09b6ceb5989f964e5c81d3a7206f27d63c76ec4ba2da59d27a982971
- 08 R 4f6eff2518bd6c4cdd298630b7a3ab8f0524006c143dd94c43f161acd3fff96c
- root a7ff378eaf8bbb09107e69aed4674ccb07581ed631c28576ecd491337fa5d62a