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
PHILIPPINE SCIENCE HIGH SCHOOL - CENTRAL LUZON CAMPUS Award a ₱25.9M contract to LUCKY STAR CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
a3f4d3397ab4ba72b4cd6d464f9501050a8debbb8865e8aa70c1be2d33b5778c
Status:
Included and unchanged
Block:
#1,824 4,189 blocks after it
Position in block:
Transaction 43 of 72
Award day:
Aug 6, 2013 (13 yrs 3 mo ago)
Value:
₱25,890,128.13
Project:
Construction of Academic Building II Phase I
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 #1,824 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)PHILIPPINE SCIENCE HIGH SCHOOL - CENTRAL LUZON CAMPUS awarded it to LUCKY STAR CONSTRUCTION AND TRADING on 2013-08-06.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 a3f4d3397a…b5778cnow …
- 2. Block Merkle root changedstored e2872f9407…81d1e8now …
- 3. Block #1824 hash changedstored 9c15e2ea4b…3a84fbnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 71 records. Each step hashes the current value together with the sibling shown.
- leaf a3f4d3397ab4ba72b4cd6d464f9501050a8debbb8865e8aa70c1be2d33b5778c
- 01 L a10f13b1bc0dd38e64bd65434adedf1b5e611c1bb29c8053d48e353b23473c19
- 02 L 660fbeb9e29ad8e4cd2991dc226c37454c88c97af74756eafb5e75abbf3820ba
- 03 R 956bb696a5711d6ff9fa26c7f63cd373b508a423fe0f460b4285c1795eadebec
- 04 L 1290af99bfc062ca769d6abd200c4e6006884954476cddb44497687209d82212
- 05 R 55cbf4016b3dd5aa48c49d66cb163b3927ff89a2b56109cb691d6875bd184579
- 06 L 5338e7e219f64c44f6799138e0744825130b13299e53413f0a69fcf2e11e4849
- 07 R 6f72ffc2189b4d9e18f624e11aac0b57b760d4dd375d16d60e9418513d30e022
- root e2872f94075340edb34cb379821f928e033b3b1872251f3161b087a90781d1e8