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 DANAO, CEBU Award a ₱2.1M contract to SAN NARCISO BUILDERS CORPORATIONCities
Transaction hash:
b58cffb896d4e3ea9c4ad05aa0774098a7ef6e72da9db029edef4384cb5b3ea2
Status:
Included and unchanged
Block:
#4,683 1,330 blocks after it
Position in block:
Transaction 146 of 204
Award day:
Jan 7, 2022 (4 yrs 10 mo ago)
From:
Value:
₱2,098,780.77
Project:
Construction of School Building at Gerardo Ypil In
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 #4,683 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 DANAO, CEBU awarded it to SAN NARCISO BUILDERS CORPORATION on 2022-01-07.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 Danao City 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 b58cffb896…5b3ea2now …
- 2. Block Merkle root changedstored 6876ac4745…416df9now …
- 3. Block #4683 hash changedstored f64939ad7e…e22fa7now …
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 203 records. Each step hashes the current value together with the sibling shown.
- leaf b58cffb896d4e3ea9c4ad05aa0774098a7ef6e72da9db029edef4384cb5b3ea2
- 01 R b78edb8d0fde2421533e94f9ba34f45abe55572754c3925fd200a3fcfcb204e5
- 02 L ebf11982e3c74bc16a86f26f83d41d6ecac90199aa032b538ca88c2a45bd1323
- 03 R 8f9d2553137e43ad6000fecdf3afd2b7d62daeb02d45f02cac950ecac8438c1e
- 04 R d63e1d59137073f4db3a9d215a6fc6b8095da89fd02e5f937c1c405eb519eb0c
- 05 L b0c5352ee6766b201ada09f5ec8a21cfb37b731e65b501bda1986456d27ba02e
- 06 R 6db68aac9e6bcf96ec05b13e8f444016214a3abf5d4284553fb0bcd0c1844802
- 07 R 9ed6b55873083891881d46f6086fdbdfaba41c90af2c34843e146cefb3c8c313
- 08 L 6b1d37eee5dfcdc781119b74fb0ae6f45717ec61801ce4bae6256de6a7a37464
- root 6876ac474555dfe7596b66e464e4efefc0a97e91475f122b4451920f04416df9