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
MUNICIPALITY OF SOLANA, CAGAYAN Award a ₱4.9M contract to TECKCON CONSTRUCTIONMunicipalities
Transaction hash:
f51140bfd08cb6d5dc9fcef202bff295d8896f671bd6dd699f202396779f4b3e
Status:
Included and unchanged
Block:
#1,674 4,339 blocks after it
Position in block:
Transaction 151 of 159
Award day:
Feb 7, 2013 (13 yrs 9 mo ago)
Value:
₱4,875,479.60
Project:
Construction of concrete road (Bangag-Bauan)
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 #1,674 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)MUNICIPALITY OF SOLANA, CAGAYAN awarded it to TECKCON CONSTRUCTION on 2013-02-07.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 Solana 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 f51140bfd0…9f4b3enow …
- 2. Block Merkle root changedstored 15e338b568…ba33b6now …
- 3. Block #1674 hash changedstored 7f560f41a5…45c5ecnow …
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 158 records. Each step hashes the current value together with the sibling shown.
- leaf f51140bfd08cb6d5dc9fcef202bff295d8896f671bd6dd699f202396779f4b3e
- 01 L f3d0eed1c7a1818f37325bb42aac197713cf2e079b700b33a9a2d9e614d7e205
- 02 L 3a887bcbf7ab75e0a7cca6ee4a3b4c2a775cbc63d27c0eb272f5be517ec166d8
- 03 L c71da7cd1eb5bd50057622dda338fb6dd419ead80d919963e3e4dc57f40213e3
- 04 R 0edb819199cf9578839f281d311124882fb863ae1e7cca61243412cd3767306a
- 05 L dda5730d00d1d8d9bf1555e286cd77a4710928ac96f78d04187aba2fceeb6b19
- 06 R fb49c568a6feac44fa4541a1fb4823f57a0499e53b1442b659fa5afaeed1f517
- 07 R feb9df5db3ab2ddbbc13f7cfac04a1b0c344bf84533e0805cda2ee7e270511d6
- 08 L 80e4b7d3899d8b4fbcb0e4cffbef105bc4465c650165eeb1dc5a1be7385efe26
- root 15e338b568f3d68a435b17652561b21f730df4d36b0144e445073a6636ba33b6