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 - DAVAO ORIENTAL 2ND Award a ₱9.6M contract to H2 LANDMARK BUILDERS INCORPORATEDNational agencies
Transaction hash:
9ea83ec3ed2aec5736acb9da0b11e793842c4e43b46cfc620d0d25a982aa1c72
Status:
Included and unchanged
Block:
#4,213 1,800 blocks after it
Position in block:
Transaction 77 of 132
Award day:
Sep 4, 2020 (6 yrs 2 mo ago)
Value:
₱9,601,010.00
Project:
20LG0024
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 #4,213 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 - DAVAO ORIENTAL 2ND awarded it to H2 LANDMARK BUILDERS INCORPORATED on 2020-09-04.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 9ea83ec3ed…aa1c72now …
- 2. Block Merkle root changedstored 8c5458b166…23abb2now …
- 3. Block #4213 hash changedstored 39f3038d3e…610a66now …
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 131 records. Each step hashes the current value together with the sibling shown.
- leaf 9ea83ec3ed2aec5736acb9da0b11e793842c4e43b46cfc620d0d25a982aa1c72
- 01 L 97f675141dfaa0ac0d8da1c40f11aad5fe182073d96520681ab63e02ad51a411
- 02 R 079a2923e135bab51a0582ab36abb769354a6f144fe01aa3484f2b89e1607fa3
- 03 L 6e88a0c0d0463a04384f5e42c9e6b2b78d6ea59282acfd9289c3d75dcc72d8b6
- 04 L f338c5de247805ee8269835cd716a740558e9d13525631911b735a041a38b965
- 05 R 23482834dc0c8b338b1c1521787820f936acd5989afe40182b399747603a44a8
- 06 R dbb9e0683a157a05df70a8521209014440e2a6f1d4a6a5b135974c06ced0ff8a
- 07 L 3031133a79d5a45c53eaaa7d98ffe4d974dbb98a26e99868a3de5ed16d73c959
- 08 R 532ce8f4398badcffefe771019a7d3dbd4722005b9a0518c7e15dc4d44c68764
- root 8c5458b16672d8a0542023829f623a633bc6e70e34afb1bf1012261bc223abb2