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 SAN NICOLAS, BATANGAS Award a ₱6.7M contract to JUBER CONSTRUCTIONMunicipalities
Transaction hash:
77f87aca63306cfd3c2fe6184b56ece6d39d0126739ce32a5bb8dba27f5b5bd4
Status:
Included and unchanged
Block:
#4,143 1,870 blocks after it
Position in block:
Transaction 111 of 233
Award day:
Jun 25, 2020 (6 yrs 4 mo ago)
Value:
₱6,723,000.00
Project:
Local Access Road
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 #4,143 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 SAN NICOLAS, BATANGAS awarded it to JUBER CONSTRUCTION on 2020-06-25.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 San Nicolas 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 77f87aca63…5b5bd4now …
- 2. Block Merkle root changedstored 43c0040335…f93614now …
- 3. Block #4143 hash changedstored 9b2deda7f5…019909now …
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 232 records. Each step hashes the current value together with the sibling shown.
- leaf 77f87aca63306cfd3c2fe6184b56ece6d39d0126739ce32a5bb8dba27f5b5bd4
- 01 L 7748ea741155f77a11e69ef581eff56985fc8b6813750a6e704c169a54537c80
- 02 L 4d53cd6953f393d53f41d680bec233c4ac5f15a9454d8d1f6dcf1927ef8c698b
- 03 L 2999d07dc9cbfa31753be132fdbb98348a35babdcc3e7218b758e0b29304fcd1
- 04 L 2f81e0453ccb8706c4c0b7b787315586c9568fca02bb4ecf80cb21b7909ae502
- 05 R 085f9c80181f115e6789cc426459f655cde498ea0f702428ad12f616a063c7af
- 06 L 2614e6fdb05e8b8fea2004a3e2095f9a0c57106e9d82e9c68f1b62936357bd2a
- 07 L 8770f7e170a14d9ff564e72f32728e34a40042c1717f205093f74aa9978357da
- 08 R d340d0a244eadb7402c21b7017c279b00e4e815c84796e21c6aa3bf218bf8b22
- root 43c0040335088766f0e09bb0b7058a07ac20c32186ca42ea4168720e25f93614