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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E Award a ₱17.4M contract to CAANA CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
c720a4e01153cc579b87107a881aadca283d67ecc9ae38a7cd3fcd9053e1cbb4
Status:
Included and unchanged
Block:
#2,740 3,273 blocks after it
Position in block:
Transaction 100 of 130
Award day:
May 17, 2016 (10 yrs 5 mo ago)
Value:
₱17,367,914.47
Project:
Contract ID No. 016OB0131-Construction of Slope P
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 #2,740 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E awarded it to CAANA CONSTRUCTION CORPORATION on 2016-05-17.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)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 c720a4e011…e1cbb4now …
- 2. Block Merkle root changedstored e4213ce5a4…e1593bnow …
- 3. Block #2740 hash changedstored a1ce49c0f8…940367now …
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 129 records. Each step hashes the current value together with the sibling shown.
- leaf c720a4e01153cc579b87107a881aadca283d67ecc9ae38a7cd3fcd9053e1cbb4
- 01 R c73d05f7c99f0d82b51c1bbbee46f9b5234059f3ad768e55095bbf4462a9a144
- 02 R a59b2f872f93abe3e69e77b54eb350e60eb378a6ef3491843429c25d78ecda82
- 03 L a79428e4c7a47327720141a8661a1003ea10b3d7a837cfa8ae17bf522e3c7b84
- 04 R 8fb6f9a003e609013f458c918742ebe6bc93bb954ad1997fcaba51e88d8a4c01
- 05 R 39ae53056d5dddab3c9a2fcec69dcc9750e96882a6873d73e8d1f5af581c4dee
- 06 L 1578419eabb23001dba0d94e45c3c5948015378544ece22fa7f7468eceefc654
- 07 L 0f4d4270bce3ec7cdf40137f545159fca14bea788b993c4c60ec214810705a85
- 08 R 1d53632703b621dd9882dfb00d5ad63187be5a054e016f0db983084c7ee12dc7
- root e4213ce5a49cbb5226f4d7a5ea08d2b255a62dd81dd3e80a55c40c0174e1593b