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 - REGION VI Award a ₱477.7K contract to SHAK CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
16dc2b6cfe2d9b376445cf0a35de8d5fe31621070e5afb8feb79671f8f492bf7
Status:
Included and unchanged
Block:
#1,949 4,064 blocks after it
Position in block:
Transaction 17 of 226
Award day:
Dec 20, 2013 (12 yrs 10 mo ago)
Value:
₱477,672.62
Project:
13G00149
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 #1,949 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 - REGION VI awarded it to SHAK CONSTRUCTION AND SUPPLY on 2013-12-20.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 16dc2b6cfe…492bf7now …
- 2. Block Merkle root changedstored 5668e17bf1…aff755now …
- 3. Block #1949 hash changedstored 0ddee17cd9…4e04b8now …
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 225 records. Each step hashes the current value together with the sibling shown.
- leaf 16dc2b6cfe2d9b376445cf0a35de8d5fe31621070e5afb8feb79671f8f492bf7
- 01 L 13db135981df6c10099634124f88c83350c093d3de738b3d05f4530742ca9e12
- 02 R b80fb85d422c695b4176487641e51303b5200b98df96aad2af23a393aab272dc
- 03 R f15edb4ba347e8f707618a5134dacce93593a82f8803ef9928e058ec697da7c6
- 04 R d213e41824559851eb51e08eeaee6b80caa04da5787b607a5f13beff27f139b6
- 05 L 7db2916b6a875b015af0f6af51c5c164511c5ad3b54510da39f033d0e9119e8d
- 06 R a71733e4d87887a9a6c001ae716a3fde70e781aebd922668ac803e25a304aff4
- 07 R 04ec68320a5ef03197dc7885f3f44323627dcf9dc026cf5e2408486e3e9faecf
- 08 R e769e6442f1451c270460bb0b5ba8399585cf545fc7d21db958f3022d2f49f3a
- root 5668e17bf15d55d3c5025d13274ffffd4c9af19d34e0dd0d877030182baff755