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 PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 4TH DEO Award a ₱42.5M contract to SILVER DRAGON CONSTRUCTION LUMBER AND GLASS SUPPLYNational agencies
Transaction hash:
4b8b56d4cb3cde3dc3195bbb8ba73bff834e43bdea8d21c45c6db951b6955ff4
Status:
Included and unchanged
Block:
#2,671 3,342 blocks after it
Position in block:
Transaction 87 of 311
Award day:
Feb 23, 2016 (10 yrs 8 mo ago)
Value:
₱42,481,262.77
Project:
Construction of Two (2) Units, Three (3) Storey, F
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 #2,671 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 PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 4TH DEO awarded it to SILVER DRAGON CONSTRUCTION LUMBER AND GLASS SUPPLY on 2016-02-23.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 4b8b56d4cb…955ff4now …
- 2. Block Merkle root changedstored 11c8d9dc21…d28d15now …
- 3. Block #2671 hash changedstored b90e7e9c05…124eacnow …
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 310 records. Each step hashes the current value together with the sibling shown.
- leaf 4b8b56d4cb3cde3dc3195bbb8ba73bff834e43bdea8d21c45c6db951b6955ff4
- 01 L 4b62da4264985a84c9946248586264efe09ae0950b19b39b739e361b887612b8
- 02 L 83f6b96a70b27618f3406b486331b21ae1112ad50e9abdea44b928d76e87ce24
- 03 L ea74ea46b82ed965e1144e2fb4ecb2ccbdf9592c218aa44333cd0545c46149d3
- 04 R d442e68499b9581b06c42618409fd3e73561377d97547461d9af96a6b54bbccb
- 05 L cc006c9c68b083574b299a6956cce0616d7564010b0c3b372e7fd6ca783a10c0
- 06 R c0d242e58f906b3e9ed370758bceea0008e36e832cd2ef3e846ed2f427280805
- 07 L 7c6faa870994231974dfc303129c271436a635abff760f3fcd11e84fc5117344
- 08 R 32ac9c4434c527608327479a694de4a6bc5d983584accbca03de5c9ff11e5953
- 09 R d8f95518784216ac0043d5aeb729705c3e6b7e7f5da1c2c224c4159abf2e1598
- root 11c8d9dc21656efc07f186229f667909311f5216c79c1d7b0591dc3165d28d15