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 HOUSING AUTHORITY NCR WEST SECTOR 2-MANILA Award a ₱22.0M contract to R.C. MELGAZO BUILDERSNational agencies
Transaction hash:
cfefe98e7b81d3862881dcf6cf7d8791f195074104a7068238e2ae3ba8d894dd
Status:
Included and unchanged
Block:
#3,937 2,076 blocks after it
Position in block:
Transaction 154 of 195
Award day:
Nov 14, 2019 (7 yrs ago)
Value:
₱22,033,511.90
Project:
Ref. No. WS-2019-08-010 Repainting and Minor Repai
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 #3,937 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 HOUSING AUTHORITY NCR WEST SECTOR 2-MANILA awarded it to R.C. MELGAZO BUILDERS on 2019-11-14.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 cfefe98e7b…d894ddnow …
- 2. Block Merkle root changedstored 4bf3ef36eb…77f106now …
- 3. Block #3937 hash changedstored 51691ef60b…60db84now …
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 194 records. Each step hashes the current value together with the sibling shown.
- leaf cfefe98e7b81d3862881dcf6cf7d8791f195074104a7068238e2ae3ba8d894dd
- 01 R d0fe17d5787cd6d871edb242e69edf35a015e0bfd421fd4020b9c5293a28b4c2
- 02 L 6ee3786bb989de14e5d648853c4d2742f100c3ace2a0b8e0a37bab6fa7864ac1
- 03 R fd2919778b3ed0e02aa8bea512a06b269d0ce84875095faa8b759301a07dcba8
- 04 L 4fcdfc0a654d31a969012cfe09f2637bde5961fd5171db6736858ff472b1a724
- 05 L 6ef0a2b50acad6ec12fd8a6655d9a80762f6e14dd0a7fd557f68a005bd7a1b57
- 06 R 2cd560796f3c59b048948ff721e514898c7bcd8a6662c76bfc7721f932bc5f9d
- 07 R 2526a7b3ed8ec785e0845db033fe2c9a1d7d3b6495d6f49b766e6614e3f8d369
- 08 L 4f207c95652871a17322d76b83d08f645e68d46acdd88e1584515dade9bf4f84
- root 4bf3ef36eb8424ecaa7e9c7d02334e73dc6f89bb350d476519abcd8af277f106