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
ISLAND GARDEN CITY OF SAMAL, DAVAO DEL NORTE Award a ₱3.9M contract to L.A. ARIZOLA CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
8d9de7ea2708cf2a61ceacd42857df212ad6abaf0fdb7c15311ec23beba8a2c0
Status:
Included and unchanged
Block:
#2,487 3,526 blocks after it
Position in block:
Transaction 70 of 140
Award day:
Aug 11, 2015 (11 yrs 3 mo ago)
Value:
₱3,884,402.62
Project:
Road Concreting – National Road Junction to Cogon,
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 #2,487 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)ISLAND GARDEN CITY OF SAMAL, DAVAO DEL NORTE awarded it to L.A. ARIZOLA CONSTRUCTION & SUPPLY on 2015-08-11.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 8d9de7ea27…a8a2c0now …
- 2. Block Merkle root changedstored 27124c210b…cc63f2now …
- 3. Block #2487 hash changedstored 2ba4087aa2…5321a7now …
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 139 records. Each step hashes the current value together with the sibling shown.
- leaf 8d9de7ea2708cf2a61ceacd42857df212ad6abaf0fdb7c15311ec23beba8a2c0
- 01 R 8e3ca9f4cca98bf2dfce7400c6899fc4400426e5bdc91f964436d34e08bf728a
- 02 L 4dd30f63f432aced5cef6b97f21d4f7166b7e6794e18a93accf822bb13c929d0
- 03 L 590cf3449caf99c09133d8471e4753dcd3176bebec5acee46d1e507712a4bb45
- 04 R a7f8826038aca9621c1624c3f3371bab7d87d6c5ef4a450834d07e8d2c8cf814
- 05 R 389a83905e4a537cee371d07cda52ca7501abebec3f1b1372fa8adfd61666797
- 06 R ac9b6bfa742648e77d5f537dd7ae0daee4aa895992625b2bb68940e4104c5c07
- 07 L 06c9dd234ded3838a4d6a1288f4104127bae0be5334f02d895c2ba92efeb9a88
- 08 R 27043ba5df442cc736e91973c7d168fbf7a0740273d2d0f0dcb45198d1394cf4
- root 27124c210be403a57188692bfb56991a674b182701eeaf476a3580785acc63f2