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
CITY OF ANGELES, PAMPANGA Award a ₱996.1K contract to R.M. DELA CRUZ CONSTRUCTIONCities
Transaction hash:
cba64b983a01cf79e0d2ca9cd43fe2b02e8d9f29cca92b0e7103cfb3465b952c
Status:
Included and unchanged
Block:
#3,923 2,090 blocks after it
Position in block:
Transaction 148 of 182
Award day:
Oct 31, 2019 (7 yrs ago)
Value:
₱996,149.05
Project:
Slope Protection Kalayaan
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 #3,923 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)CITY OF ANGELES, PAMPANGA awarded it to R.M. DELA CRUZ CONSTRUCTION on 2019-10-31.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 City of Angeles gave a "not stated" 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 cba64b983a…5b952cnow …
- 2. Block Merkle root changedstored 9af1063ab1…005fcanow …
- 3. Block #3923 hash changedstored bf8759d054…9f71c9now …
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 181 records. Each step hashes the current value together with the sibling shown.
- leaf cba64b983a01cf79e0d2ca9cd43fe2b02e8d9f29cca92b0e7103cfb3465b952c
- 01 R cc76d9e50ae6086a7f48139ceb99bac304d901aae4b23143731e624ad917e92f
- 02 R 99549762503dc24ba7b300147b456bc2ebca02edc8f30ccf62a2cc1df5689284
- 03 L a6563c3d5223d677732a4fc2c6789f2af071a3b3dcdb5f22f28dae6f5f4a615f
- 04 R d8ab47a1f3e99c9d5de21131dafa5189e6ad139eb5a7b9b8490a7a45a549a9f7
- 05 L 8b3518131b446d44bf7f57405d41beeeb970fbe37ba98706bcc3c53e497d7f19
- 06 R a83fe4d2a5356e962b0ca4d509dbcebb01cac3082b92b1b734e911b9e33b4d8a
- 07 R 57db472d228caf6782379758f1d3e2c354e1d06d00395bf8b73f9ba94c1bed3e
- 08 L 6800b3dfcb17eaddea7b2d6a7a602c252134264dd5af8804b12331ef9cc6c213
- root 9af1063ab17fa0369676f55408fa2ba7f2b616767377d5fc0c434c8d7a005fca