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 TANGUB Award a ₱2.6M contract to LEXAND CONSTRUCTION & DEVELOPMENTCities
Transaction hash:
8ea735eecdc7ba4831eaa3d130151a46dddbbf740c239c58f9729b473f3f41da
Status:
Included and unchanged
Block:
#3,718 2,295 blocks after it
Position in block:
Transaction 456 of 808
Award day:
Mar 25, 2019 (7 yrs 7 mo ago)
From:
Value:
₱2,589,481.28
Project:
25 UNITS DOUBLE ARM ELECTRICAL POST
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 #3,718 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 TANGUB awarded it to LEXAND CONSTRUCTION & DEVELOPMENT on 2019-03-25.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 Tangub 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 8ea735eecd…3f41danow …
- 2. Block Merkle root changedstored 73a064e31e…2aaaddnow …
- 3. Block #3718 hash changedstored 41dd7033d5…3f7cd1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 807 records. Each step hashes the current value together with the sibling shown.
- leaf 8ea735eecdc7ba4831eaa3d130151a46dddbbf740c239c58f9729b473f3f41da
- 01 R 8f14ff4ecb162f885bb4547b9423b3a6ab7558cd48d7a85303ec1d5e62eeae9d
- 02 R 0a6754d5deb08a475c945d2dbe2b7029e9479b8466c4d0cd6b7b6be6e355c79b
- 03 R 896e8d7f41961c383f281feec68a80aa5caf394f7f7854ecb580245837ac6c57
- 04 L f279451d99e0558c057ae6d02e54e47454902af6a5eb7ee5d4dfebcd6ded86a5
- 05 R 2d26707ff6729c8a63d83a07bce2fa582178ad116f6155d56405f11ec7414a82
- 06 R b8cb458bcdc04e39981895cf1567e41ae003fd5964b3824881cde4d149154c7f
- 07 L b27ad7b46f164f90c7538c3c1f996d1e10ba400bb4191978a11f1b94ee761aa7
- 08 L b515b90d2a95682c45bbf7e4973b60e7b1764bf9cc3a4e40cce4cc86e3e67edd
- 09 L 5ad1d24ccb61155c83f8e003067b0018843418c28cba063969309f453c71dfdd
- 10 R fbfabbb0e7579ad219ccff63323711d2cd45e9357705460b720eb019f54c1ccf
- root 73a064e31e576a7c3dd3aadc6e338973235a3293b52775712c6868a5fd2aaadd