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
METRO MANILA DEVELOPMENT AUTHORITY Award a ₱4.9M contract to AMP 723 CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
a724a67c3e38ebc1e6284fe64f2fbeb482b5bf1b4259ceb16f4969c473c6ac6a
Status:
Included and unchanged
Block:
#5,741 272 blocks after it
Position in block:
Transaction 157 of 235
Award day:
Jan 13, 2025 (1 yr 10 mo ago)
Value:
₱4,932,716.97
Project:
Construction Projects
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 #5,741 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)METRO MANILA DEVELOPMENT AUTHORITY awarded it to AMP 723 CONSTRUCTION CORPORATION on 2025-01-13.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 a724a67c3e…c6ac6anow …
- 2. Block Merkle root changedstored eb5afb2b13…a3e03cnow …
- 3. Block #5741 hash changedstored ef10d9b337…a70928now …
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 234 records. Each step hashes the current value together with the sibling shown.
- leaf a724a67c3e38ebc1e6284fe64f2fbeb482b5bf1b4259ceb16f4969c473c6ac6a
- 01 L a6d72eeda595131c30318bea489596a1eaf95d42206cc262859c4525c3ce4378
- 02 R 89f969f78c6b289c660dec0679c11195c5418207cce0326d7a7cdee82d3142f0
- 03 L 473c9155da7ad60138108f2f7c1942b99fa3e051a3a1136eb4dc6a89887d0e8e
- 04 L 8f5575b3c6fd897c9d9e5bc07d25007a7999e80e3f8d599056f178899422c943
- 05 L dd9d063e12862ff032b11e36b28ac3893f58e6fe8150d665f4d89060a6e9cae7
- 06 R 13027d296f854a92c12df076e2a52153215459cc2d1ef77573559440c8d43fd7
- 07 R 0cb7767e19fc3c25c0a6795c6c3d855d3fb4807483b7727b613529e9d543888e
- 08 L b19f5129f58568fa434cdc86b96d71d82a04992d0d770d07159e95288b7d4295
- root eb5afb2b132aa24a31339aa908152483f6345dbf18be8bf058c296e053a3e03c