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 NAVOTAS Award a ₱837.0K contract to AYANA CONSTRUCTION AND TRADINGCities
Transaction hash:
51d91ef0ab1cee7282c0986b35ac7336fd3bf7d4d7b9c75cb00e4820347d2339
Status:
Included and unchanged
Block:
#3,307 2,706 blocks after it
Position in block:
Transaction 41 of 140
Award day:
Jan 17, 2018 (8 yrs 9 mo ago)
From:
Value:
₱836,961.35
Project:
LOT 10- INFRA AT LSB UNDER SB NO. 02
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 #3,307 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 NAVOTAS awarded it to AYANA CONSTRUCTION AND TRADING on 2018-01-17.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 Navotas 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 51d91ef0ab…7d2339now …
- 2. Block Merkle root changedstored 704481140d…f6f140now …
- 3. Block #3307 hash changedstored 8ae4f753e1…cb506fnow …
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 139 records. Each step hashes the current value together with the sibling shown.
- leaf 51d91ef0ab1cee7282c0986b35ac7336fd3bf7d4d7b9c75cb00e4820347d2339
- 01 L 4bd078c77108239553916a2bb1a833414a4f725685a8f7820deffb7a61886083
- 02 R 4e8938a1ec88818a7a1d76794704bdbd65b336ea8d1d4b218d42839a859ba18c
- 03 R ef76f6d8761654076c75396a10bb4f24f85b899f6348fa81be8d87033e443f21
- 04 L 9fb94860da41e71514458b562999b09b136baf56e05329e855ad1e0d8023b26d
- 05 R c4dec9a89c06076ab90252ba8eeaae97d86900abc8c13078f7f8c886a7937f70
- 06 L 2dabd7cf7b5beb100e5d67738a63438800c2f70b01a3f0d435bfb40320c08f00
- 07 R 85c53fe765917c15964498229bb1c051217b11af2fb3b81dc8266b3777b6814d
- 08 R e6dca5d6976fc8548f3610a67e713d69e9dd609b2b9c363ffb24a0d7b0e67b24
- root 704481140d154a5725fb892aca233357d96661b85828a59e7a7e54478bf6f140