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
PROVINCE OF AURORA Award a ₱2.5M contract to R.S.C. CONSTRUCTION SERVICESProvinces
Transaction hash:
db5dec698b0d176a44ea5b095437d106262ed48ad0c62e8383a21bbcf781ed53
Status:
Included and unchanged
Block:
#4,219 1,794 blocks after it
Position in block:
Transaction 143 of 175
Award day:
Sep 10, 2020 (6 yrs 2 mo ago)
From:
Value:
₱2,497,989.85
Project:
Construction of Multi-Purpose Bldg Brgy. Decoliat
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 #4,219 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)PROVINCE OF AURORA awarded it to R.S.C. CONSTRUCTION SERVICES on 2020-09-10.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)COA's CY2024 audit of Aurora gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 db5dec698b…81ed53now …
- 2. Block Merkle root changedstored 81315d12e9…f29a16now …
- 3. Block #4219 hash changedstored b71f1e51a1…7ac4abnow …
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 174 records. Each step hashes the current value together with the sibling shown.
- leaf db5dec698b0d176a44ea5b095437d106262ed48ad0c62e8383a21bbcf781ed53
- 01 L da9caac00783366223449c3c3898cfe5bdf6bbf4095fb5c501d10cb45a512d24
- 02 L 258ddd88a0e8dce6e10f6cf2f5191d20c62399d94da7574ea7f1feabe697752c
- 03 L 62cd7865b2fbc5f7c543196275ba6db2b69b478214a9a89ddcb9f29b520aedc1
- 04 L 35a12c55f1df4e36f0cfd46901e8ddc74aafbce2798ef9c4cc56d81403af92d2
- 05 R 25de7d659714ef92a39f5083044b2197f5ac24e732c51ff5b12a538a794448db
- 06 R 39a73a6da7cbeff64e2c514745d2015a07bbd707bba30c7e657c69c343197530
- 07 R a6272febec64655fd0ff817062e24346fd68e6143262c94d6a411e774ece4e0d
- 08 L fc446f56ca0ecf2db0cd608c2523c218336fa99e1abef0d2131cf4c21d6e1b8c
- root 81315d12e923dcd87865dfa02e5b7b48e1e09fb97b8ceabc0b822a7acff29a16