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 GUIHULNGAN CITY Award a ₱1.3M contract to SERCHER DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
ef53bddd6fd0fc6164c555f25142c6227692135791a93f523f25e5035a1e37ed
Status:
Included and unchanged
Block:
#1,532 4,481 blocks after it
Position in block:
Transaction 77 of 82
Award day:
Aug 13, 2012 (14 yrs 3 mo ago)
Value:
₱1,298,363.09
Project:
Construction
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 #1,532 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 GUIHULNGAN CITY awarded it to SERCHER DEVELOPMENT CORPORATION on 2012-08-13.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 ef53bddd6f…1e37ednow …
- 2. Block Merkle root changedstored 2edc471836…2702a5now …
- 3. Block #1532 hash changedstored 5c081bfc9a…e13e69now …
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 81 records. Each step hashes the current value together with the sibling shown.
- leaf ef53bddd6fd0fc6164c555f25142c6227692135791a93f523f25e5035a1e37ed
- 01 L ed08cce0f05bdc1ce08f2913cd5be68bf77a3364c3e06287455fd3250cfc398c
- 02 R 046c8630ec8fab968643c43395f2f30b152ce2b05384a9835efac65e2e751335
- 03 L 1409906332aad02073b61ae7b9d2b19e74aae30cd13db6a6b39515613d7d00d8
- 04 L 70688243edf4553394c4a22baf04eea977cb0c83c507f0af49e930fc91440b53
- 05 R 4d2b6f2276831b96e72010b626b6154d661a66bc39030053791fd6e0d53211c2
- 06 R 1e3f9b6b98129bf06218b997e6a73e9ad2ae179ed0c26aecc36b56f55979d30e
- 07 L 445485814b04b6d8d9fef0a4cefe57ed36b0c5109dbd5005106eb971cc24bb10
- root 2edc471836caa0b461d1796530868c07975ed2529478f07e3403e720372702a5