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
MUNICIPALITY OF TANZA, CAVITE Award a ₱595.7K contract to N.B. AVILA CONSTRUCTION - CAVITEMunicipalities
Transaction hash:
55ff619f569ab2bb24dac2cf3a9b1a4b7b31f250738cb255ff1f973bfb2ccb8d
Status:
Included and unchanged
Block:
#2,480 3,533 blocks after it
Position in block:
Transaction 64 of 208
Award day:
Aug 4, 2015 (11 yrs 3 mo ago)
Value:
₱595,742.80
Project:
Construction Project
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 #2,480 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)MUNICIPALITY OF TANZA, CAVITE awarded it to N.B. AVILA CONSTRUCTION - CAVITE on 2015-08-04.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)COA's CY2024 audit of Tanza gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 55ff619f56…2ccb8dnow …
- 2. Block Merkle root changedstored 8a3c66bd95…b0486enow …
- 3. Block #2480 hash changedstored efd258e2b0…280ee6now …
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 207 records. Each step hashes the current value together with the sibling shown.
- leaf 55ff619f569ab2bb24dac2cf3a9b1a4b7b31f250738cb255ff1f973bfb2ccb8d
- 01 R 5737af5cff36d76779e7b3cb394255d3537e4af40cbc00939697f870dd9f5a30
- 02 R c87fefd57f04a8cd44e7a84e6034a5ba52fe8bf46abe55b6c6ac824fa4530ee1
- 03 R 5c13be2d97a0bdabdd5a50ef837ac5d41eab897aff779c7f14146d8b2c53aba2
- 04 R a183252d5d362849406acc889d9243593d1dd7ae6faf0ce4d67745cef9351183
- 05 R 6a4c2d36b7b015754c4dae4d43dfcef0a01b2f862908bf28eaa1ae764ce2b369
- 06 R 81253dbd11409379a7ce7eb450b7a541bfa769e165e4bd3ac32bf53e0d33a9a2
- 07 L 29e0af671dfb616951e5d6f98fee88a446cf7440b30384e6e279abd22046aff3
- 08 R dbb105e6eeda615b0602cd7aad1a3cba4fa07ae1c44a038c273328477028986c
- root 8a3c66bd95d5a7e14276e865d09d89d63f8ed05a6f7ce47ac7b6aba846b0486e