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
NATIONAL MARITIME POLYTECHNIC - REGION VIII Award a ₱1.5M contract to RD COBACHA CONSTRUCTIONNational agencies
Transaction hash:
cd9a59db1f790dc3e3b3cd01ef74c7046e88a5c035659a6c6ce2f1aa8e7c0244
Status:
Included and unchanged
Block:
#1,493 4,520 blocks after it
Position in block:
Transaction 84 of 103
Award day:
Jun 29, 2012 (14 yrs 4 mo ago)
Value:
₱1,506,119.77
Project:
Lot 2
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 #1,493 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)NATIONAL MARITIME POLYTECHNIC - REGION VIII awarded it to RD COBACHA CONSTRUCTION on 2012-06-29.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 cd9a59db1f…7c0244now …
- 2. Block Merkle root changedstored c27ef5f85d…9575b8now …
- 3. Block #1493 hash changedstored 8c03d06cb1…b722afnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 102 records. Each step hashes the current value together with the sibling shown.
- leaf cd9a59db1f790dc3e3b3cd01ef74c7046e88a5c035659a6c6ce2f1aa8e7c0244
- 01 R ce9b0c2bde0dfd6be42567b07da3886ddff10fbf83a7bcd20e3265c54fa44cb1
- 02 R 9b2626bc1adb4ea87ad8fb39a44ab9a0a0740fdf45da85bb7626b6c62a266c63
- 03 L 117721cc528f91978b3189ef4ae05221f621d03291e66e140d6012d11a017c2a
- 04 R 7e32b0893ff954c906b52202a7f0dc94f0ce31c9b2b0f8270def64750e47d084
- 05 L 34b0222fb3f4b00b6d5262da8a2993c1acf823a8eb2dee10fb0f1a91f0cc1a40
- 06 R fc246518cbce35ca67e3fa9a5a75084a1edc7a3ee27d6a0255413dda7477a7c9
- 07 L e203bd555238b5192ba9bc7547086ce6e8f0a48c7595eb4fcb4f25df7c59ccd3
- root c27ef5f85df09840a9e865d166a24f54b0539153eb099d68cbb4c77e6a9575b8