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
DEPARTMENT OF EDUCATION - DIVISION OF CAVITE Award a ₱19.2M contract to R.A. YOLANGCO CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
54c93d560384f3104f8962dddbc0d053e037a749ad326ac8dbe7951c2d5c3c1f
Status:
Included and unchanged
Block:
#3,847 2,166 blocks after it
Position in block:
Transaction 127 of 369
Award day:
Aug 13, 2019 (7 yrs 3 mo ago)
Value:
₱19,169,715.31
Project:
2019 BEFF REPAIR OF CLASSROOMS 9
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 #3,847 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)DEPARTMENT OF EDUCATION - DIVISION OF CAVITE awarded it to R.A. YOLANGCO CONSTRUCTION AND TRADING on 2019-08-13.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 54c93d5603…5c3c1fnow …
- 2. Block Merkle root changedstored 12a0400901…608fbbnow …
- 3. Block #3847 hash changedstored a0885f19e0…9866cbnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 368 records. Each step hashes the current value together with the sibling shown.
- leaf 54c93d560384f3104f8962dddbc0d053e037a749ad326ac8dbe7951c2d5c3c1f
- 01 L 54b3182f7b48c6520016b4da46c2dbfab32fd0e05520adf8ba1783bbad181a05
- 02 L 800195c50e7b82aa22e7274f255149f868fc2c08d975f12da48b3997e22ab8bc
- 03 L 688586fd4283f0ce7ca1f9bdb8711d9955fb7a943a29af8a9e6a37b8647a9379
- 04 L e32f4e20ab4817d65caff6612384fac3a6ab9b5f8d7d9be6de54527dc54a2b7e
- 05 L 3b4f0dd8288f00253319bd4dd6f0908956f3beb70b03ad21acf6bd90f53f9407
- 06 L 6b1a25620ea7ab4badd2dac798a890d679016fa3840411e4fcca53324ec74049
- 07 L aaefd8938802fb06f0c40b7c52deeae40b568e3031a3e788e3b9b71c6dcf480f
- 08 R 5cd9637c4c46f43aee2ee97a2e69a4d907528a48d1bfdf8c210e4d5f8f728bb8
- 09 R 1fbbc729d1c585df2982199d0fc51895168ff32cb87640db998e1e91b701c17c
- root 12a04009019b96885890e3ea6cb019fbd84e31eb93e8c495516da5d465608fbb