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 Award a ₱111.0M contract to PERRC CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
cebdd2e3357ce63efea816717d079a6d16ba048067e3c529bbd7fe259bef8ef9
Status:
Included and unchanged
Block:
#2,050 3,963 blocks after it
Position in block:
Transaction 144 of 173
Award day:
Apr 14, 2014 (12 yrs 7 mo ago)
Value:
₱111,032,153.52
Project:
Three 5-Storey LRBs at Malabon Homes 1
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 #2,050 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 awarded it to PERRC CONSTRUCTION & DEVELOPMENT CORPORATION on 2014-04-14.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 cebdd2e335…ef8ef9now …
- 2. Block Merkle root changedstored febe5fe671…41d60anow …
- 3. Block #2050 hash changedstored d2041622ca…e53b1dnow …
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 172 records. Each step hashes the current value together with the sibling shown.
- leaf cebdd2e3357ce63efea816717d079a6d16ba048067e3c529bbd7fe259bef8ef9
- 01 R cf761065bfd2b8615b73a378f8a0ec94a40baa1dd7f0c816441ed8fe46bd71c4
- 02 R 7be94065265452dfa06fa44c69e137a504b7ca7f22c783853b571a773c2af744
- 03 R a53ef16797d6cec658d092b09b4b5f10aa35d928d3d046537beb323926532f22
- 04 R 1eda0ff407eb1e77549385a51a3d906eb15814f5469ca9ba4edf028a9c6e7ab6
- 05 L 2ab3a2b4c30fc728c34d9489ff548456b467226ec523f1d711cfb4e2f0bce41b
- 06 R 60e8baaaa727aeefcfe316da0c317d74de048c14d7faaf5d24fe20f61f7c9bc1
- 07 R 05be743a1b944a7f64a1dc6e49eab8a30c87b1d768afd698b797b45f62fa2dc2
- 08 L 47a32d04ca217b18abdda07ee7faeba2c080513bfd9f4f1c6b97aac093353ebc
- root febe5fe671025f7a4ad7f1510b8d43a49298cbfad05250bf0899a1075641d60a