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 ₱12.8M contract to ALGIMAR CONSTRUCTIONNational agencies
Transaction hash:
a4670fa4dc020336a45e32df1d6c80777ffee59e53d6c90ef4f1fea0b5b93356
Status:
Included and unchanged
Block:
#4,310 1,703 blocks after it
Position in block:
Transaction 89 of 138
Award day:
Dec 18, 2020 (5 yrs 10 mo ago)
Value:
₱12,808,215.36
Project:
construction project
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 #4,310 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 ALGIMAR CONSTRUCTION on 2020-12-18.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 a4670fa4dc…b93356now …
- 2. Block Merkle root changedstored 7606851685…bb7745now …
- 3. Block #4310 hash changedstored 6a98cf2726…6ffcb3now …
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 137 records. Each step hashes the current value together with the sibling shown.
- leaf a4670fa4dc020336a45e32df1d6c80777ffee59e53d6c90ef4f1fea0b5b93356
- 01 L a3dd7c0c11d0d9b17ebd2d5db34f6c3267fe9e77db271fd83b16d89002d10044
- 02 R eb924c74528e782daab9d7a1865431ad423a36e16feb4181cf2fc59e92ef683d
- 03 R 8a9f8518c7d3fb026ce46c68ac2c75fe2fd896adcaa1f7aad10e1f03d7bf91f2
- 04 L c6e3a5792715b7b936efcf3df8fcc6e13d9898ccb5034068dbc7203245af0d62
- 05 L 03d15f0155a12a31d923bd4f1aa44e6daa04ad8251bb5c88a996a799b5ed25f4
- 06 R 12854e4de5fd04585d4bbfb3ce8e44bdb35ff3eb2943f47bc861a1664f2c08bf
- 07 L f5bdd3fafac972dfcf89c4b7a05fcf56e916bcad6e762be2f8ba3dd193d6c7f1
- 08 R 398a863352f16662014eb096d9ab6224a73617898715b3e0cf94f49b97363764
- root 7606851685ca7397d9471536edabcc064ad7007bbf1a09f531cd60b545bb7745