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
PHILIPPINE PORTS AUTHORITY - REGION XI Award a ₱24.7M contract to KHAN KON CHI CONSTRUCTIONNational agencies
Transaction hash:
50030cfd41a3bb229583f93f1c661c798ded8f29705e618297ad08b325534251
Status:
Included and unchanged
Block:
#1,939 4,074 blocks after it
Position in block:
Transaction 72 of 229
Award day:
Dec 10, 2013 (12 yrs 11 mo ago)
Value:
₱24,748,690.49
Project:
Repair of Pavement
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 #1,939 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)PHILIPPINE PORTS AUTHORITY - REGION XI awarded it to KHAN KON CHI CONSTRUCTION on 2013-12-10.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)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 50030cfd41…534251now …
- 2. Block Merkle root changedstored 609c4dbcbb…31a8d1now …
- 3. Block #1939 hash changedstored 0dfd6aadc4…884159now …
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 228 records. Each step hashes the current value together with the sibling shown.
- leaf 50030cfd41a3bb229583f93f1c661c798ded8f29705e618297ad08b325534251
- 01 R 516a75db878d2c951bb85635bd02a4a20752f2aa49acd79c333911aff121b0dc
- 02 R 5754294e474c4a951109ea6ce9440a404727be123ad92b53baa6b955a08879e3
- 03 R a0b04a73b040682fd551c9b86d0614aece887c011abe7f30f002763b1a01a526
- 04 L 63d4dd3870aba1b51f48708ce5de5cfe8df13129c326f43cf3bf7dcc89bb7f32
- 05 R a246d364f632f540a566e589514c9164830d1139c52d7d4feaea649291b1f509
- 06 R 1108c535128634cbc408c3cb0218c15e79ffc89d5d8907ef7d58868193d15e56
- 07 L db1dea72ebb9ddf055673026fd3d7031736e00d102f0400785e8a1f283fa6883
- 08 R 334bdb44229c850f5054370b994f80d0e47e01a39b06530d507fe58046031fc8
- root 609c4dbcbb20d8edca7f5c494404cb7e8e192aeafab7d00d5ddf52ea5c31a8d1