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 DIMATALING, ZAMBOANGA DEL SUR Award a ₱1.9M contract to OPTIMA BUILDERS CORPORATIONMunicipalities
Transaction hash:
6fdedcc48dfc711d20ee89b9704a33252adddbf3f1012a03aa37f0abd25c86c7
Status:
Included and unchanged
Block:
#4,286 1,727 blocks after it
Position in block:
Transaction 367 of 855
Award day:
Nov 20, 2020 (5 yrs 11 mo ago)
Value:
₱1,929,613.67
Project:
IMPROVEMENT OF GRAINS CENTER
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 #4,286 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 DIMATALING, ZAMBOANGA DEL SUR awarded it to OPTIMA BUILDERS CORPORATION on 2020-11-20.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 Dimataling 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 6fdedcc48d…5c86c7now …
- 2. Block Merkle root changedstored 80aa5c382d…02b1dfnow …
- 3. Block #4286 hash changedstored f7bfb9fcde…77d274now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 854 records. Each step hashes the current value together with the sibling shown.
- leaf 6fdedcc48dfc711d20ee89b9704a33252adddbf3f1012a03aa37f0abd25c86c7
- 01 L 6f39c36cbba75729f9b2e40dba5846d4310eb9f4d47e4cb36d0a3133513c4534
- 02 L 770d1e94836841f2a0a21e6aaa862dbaa83fe79375db73a286db63a1cebb92c9
- 03 L 3ba62a236b064c3c71538f95623eb0e428ff0d78a8aa0d28a0d15653638315f0
- 04 L e428c68243a5451f44994f018fab56fc35f867d9a9d116381f47b66c9cf5b98e
- 05 R 2a699415908599ec1cdb8e2a4f6381be038ebfa596ba208e08f54886e503255f
- 06 L a1ce4c4b1a90d6d93637377d9be90b3eabcf4b5b1a3f95969387f30cc8f56190
- 07 L f5f999b444024357661b709252909ae2aa62effacac915d58f60a598fe3d8e46
- 08 R 973dfdbe2ea153e21666e0ee603f64e35a41327a1bccd36cce6275ad6a9c7d8a
- 09 L 4a4db3c4cded419a3e9d0c4f838f27f8826654fed3d0eb38dddd47dab310fc18
- 10 R 7c5481cdc37df64be8df53db0dbdf5293247e1169d95f6f0151af7d86da36955
- root 80aa5c382d344b1494d93056f571a074b7c9e4b172129f51f9c85a50cb02b1df