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
BARANGAY BUHANGIN, DAVAO CITY Award a ₱793.4K contract to ALEA CONSTRUCTION CORPORATIONBarangays
Transaction hash:
1e71d0356dbee485c554a9ce059c9c1aac299e75459a327bc785568d07b82b30
Status:
Included and unchanged
Block:
#4,508 1,505 blocks after it
Position in block:
Transaction 24 of 219
Award day:
Jul 15, 2021 (5 yrs 4 mo ago)
Value:
₱793,376.38
Project:
Construction Projects
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 #4,508 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)BARANGAY BUHANGIN, DAVAO CITY awarded it to ALEA CONSTRUCTION CORPORATION on 2021-07-15.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 1e71d0356d…b82b30now …
- 2. Block Merkle root changedstored 78c9f53dd7…ec4ed2now …
- 3. Block #4508 hash changedstored 874ec380b5…1fc7a2now …
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 218 records. Each step hashes the current value together with the sibling shown.
- leaf 1e71d0356dbee485c554a9ce059c9c1aac299e75459a327bc785568d07b82b30
- 01 R 1ed11cb21fe90a245604ede64f9e60f441189f998bb6f7203683ffa06120f0b0
- 02 R 9d17e29f36e13305a8973f1368f7bf306b86ecf6176ed183dcac70730daa5f66
- 03 R 138dab430d9b398b4a09b08f185abca76d5b8ea822d94e4f9b559562f80a8801
- 04 L 307f7e95ac46445173d20d00850f4e312d3fbcce18bee694acb85d161e12f074
- 05 L a67a6e193534267110394af9475a5368bb92b8485777288ada00b38c7283f8c0
- 06 R e1b716d8b61c71f17711356094a22abbb4f1cef774998b9b6f025df0cf38973d
- 07 R 7d4ae0541f906d9866a02d552a81a23c089d48ebe9427e7074cfe0d0beae36f4
- 08 R 7835ab3483b88a4ed473b833e82d0c57d8fba3d48287cf92500ab1f1d4dc7078
- root 78c9f53dd7da95be83c72c39ba16d57b2444f65a8bc4557769c811d202ec4ed2