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
CITY OF CANLAON, NEGROS ORIENTAL Award a ₱1.9M contract to SILVERRIA CONSTRUCTION AND CONSTRUCTION SUPPLY COMPANY, OPCCities
Transaction hash:
dcb4900a3acd943193cec29839432d9393fc089a5b7c34d8ad878622667ad191
Status:
Included and unchanged
Block:
#5,211 802 blocks after it
Position in block:
Transaction 190 of 224
Award day:
Jul 12, 2023 (3 yrs 4 mo ago)
Value:
₱1,907,958.00
Project:
Construction Projects
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 #5,211 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)CITY OF CANLAON, NEGROS ORIENTAL awarded it to SILVERRIA CONSTRUCTION AND CONSTRUCTION SUPPLY COMPANY, OPC on 2023-07-12.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 dcb4900a3a…7ad191now …
- 2. Block Merkle root changedstored 57945c7c83…f7c9a3now …
- 3. Block #5211 hash changedstored 8b9f31fd8b…cf389anow …
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 223 records. Each step hashes the current value together with the sibling shown.
- leaf dcb4900a3acd943193cec29839432d9393fc089a5b7c34d8ad878622667ad191
- 01 R dcb7d9293d06a790bd9c500bfa8876b4ff8fe15cc091c387b6111c3fe0535383
- 02 L 2a1ef279a676684a3ac01fffad5e7a75ed213730993efadad49766a57de8475b
- 03 L ccd0a09bce678093651d82232755a4cd38e3a13c6994bc01c9afb0a2f4a37b4b
- 04 L 3d42db9f72ff8f5f05ba96315613d23a14764b43697e51a5e9b44967c21c7c1b
- 05 L 03a1c56fef521408edf0bed02e505b96f16f7a43f473280fce85de355b262500
- 06 L 8cfe741d4fbe9ab9afd94a6b283a4cc26709b0567cc72cca371ce040b49c956f
- 07 R 6a1bbe95153139846cee47064c4e589dc52959177a844945019dc92eaad5d6c5
- 08 L 59cdb960d0af4ff2a51161c6f2b25b4f7da0e183c749dde2144f823acaea944b
- root 57945c7c83910b66cbc914797606d9ebac2d7ddacad56e46704f7f6162f7c9a3