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 ₱3.0M contract to V. TRILLANA BUILDERS & TRADINGCities
Transaction hash:
2da45d93e324a6722d5c77deb255a8e01782b1f3e4499226e117a16eae2ec6b1
Status:
Included and unchanged
Block:
#3,970 2,043 blocks after it
Position in block:
Transaction 61 of 343
Award day:
Dec 19, 2019 (6 yrs 10 mo ago)
Value:
₱2,993,918.68
Project:
Multi purp hall CM Recto
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 #3,970 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 V. TRILLANA BUILDERS & TRADING on 2019-12-19.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 2da45d93e3…2ec6b1now …
- 2. Block Merkle root changedstored 88526645d4…d7e634now …
- 3. Block #3970 hash changedstored e7a8a32f80…e1ef1fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 342 records. Each step hashes the current value together with the sibling shown.
- leaf 2da45d93e324a6722d5c77deb255a8e01782b1f3e4499226e117a16eae2ec6b1
- 01 L 2d9810d98089ebf6ec87c6dba8b46aaccf8a0496039f43aacaaf6d989fc13bef
- 02 R 1ac59872103ed23a7a0756986f10cdd5557d30e3b1e032af6a6f8567a2a1aabf
- 03 L 8d23f58bf0ecb85bbd371cfd6b1e671e2216a8a6f8a7557fa14a4f632854ca1f
- 04 L 0df8fde7171ea86d66160b45b1bc805fad955ce5399c46792b08dacd5a309f58
- 05 L 5283bf88b457ccd68d3e43d412ab94b9d848ec17d2cf40ccb089a4c3a1e3b92f
- 06 L 94465029b36c302c9025f4e6cf6cbd51972087f79c0cbe11daef5ba949154280
- 07 R 42da441034d128afe5dc3cecb0a3b646fcf6db1ae193501443528f5b68b7f70f
- 08 R 97c35d39b9ee17baab30979c1501d50135a9b2dacf3589eb88557bccedfbf9d0
- 09 R 6f7b024a34c486083b49673f367d9a99e1b2233fe028697a4cdb880d39174b77
- root 88526645d4e3fc4d5bc184ad49ce2413f8d929e18d4270394a4af6c905d7e634