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 ₱2.0M contract to R.M. NUÑEZ CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
62da4e2be9b952ccad2a6655020989dcc1b77006ad02260e6770d33cd05f5cc9
Status:
Included and unchanged
Block:
#1,321 4,692 blocks after it
Position in block:
Transaction 49 of 131
Award day:
Dec 12, 2011 (14 yrs 11 mo ago)
Value:
₱1,984,751.34
Project:
1. Proposed Desilting/ Declogging of Drainage Laterals at Brgy. 97, 98, 101& 102 Dist. II, Caloocan City
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 #1,321 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 R.M. NUÑEZ CONSTRUCTION CORPORATION on 2011-12-12.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 62da4e2be9…5f5cc9now …
- 2. Block Merkle root changedstored c8fcec0e8c…9aeb21now …
- 3. Block #1321 hash changedstored 52dec605b8…753785now …
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 130 records. Each step hashes the current value together with the sibling shown.
- leaf 62da4e2be9b952ccad2a6655020989dcc1b77006ad02260e6770d33cd05f5cc9
- 01 L 6238cfaeae52243233fd11d50e709fd19c6ef405bc137b71a1ef7417c43eb78e
- 02 R e16c6ef3fa3162a515d1f49bcc9f3987467663aff97c04bd7857ae47cad1e46a
- 03 R c35209375d31abe13865c1676104ad4e4eb57e10dbfe95d80f62d537d99ad582
- 04 R c3e831cecf630f314ed035fd75b66c24d6791a8d9ccd80630573889547474e56
- 05 L dc11dfd142ebfbbb5ed9101fd82db09f9e81dfa6e8284c2b1013fb172afdf647
- 06 L 4a725fc1327f70b6cfa38355b355a8ff5cf5ba3f12b175e8645fff46f2bb1962
- 07 R b1016c35ee1d2b5d4e2f72d3f657acc2b3e24d8c3e49bf4c2881ccdbf858b78b
- 08 R 073902dfd01119005d83b065ae71637a56255dd9ed7e948b5a0b712667859447
- root c8fcec0e8cf70a13f79d0c3924e4752919a1f95a7823916cce25bd18749aeb21