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
PROVINCE OF NUEVA VIZCAYA - BAYOMBONG NUEVA VIZCAYA Award a ₱499.5K contract to AMBAGUIO BUILDERSProvinces
Transaction hash:
7bbca08c4ced6b06ad7c84bab4771d8b1dffe672626e9162e7fff8916e0aadad
Status:
Included and unchanged
Block:
#4,143 1,870 blocks after it
Position in block:
Transaction 113 of 233
Award day:
Jun 25, 2020 (6 yrs 4 mo ago)
Value:
₱499,534.61
Project:
CONST./IMPROVEMENT OF PUROK 5, BULIWAO FTMR Locate
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)PROVINCE OF NUEVA VIZCAYA - BAYOMBONG NUEVA VIZCAYA awarded it to AMBAGUIO BUILDERS 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 Nueva Vizcaya 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 7bbca08c4c…0aadadnow …
- 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 7bbca08c4ced6b06ad7c84bab4771d8b1dffe672626e9162e7fff8916e0aadad
- 01 L 790fe411ac3332623135cf6df615b659f5d505cbb004ee994c43e5758d94d993
- 02 R 76d2737d541fd78e711f82fec795b907b46e1719bbee816e487579c027d8bd79
- 03 R 1b6929fba246f69a5305ef407423b8fcfbd07a9b73fabace65f3bb2567576842
- 04 R de98c974583f148337687130ce82ba92bb86bb451a50fb751f1e5e144a13b531
- 05 L d2037939df5a03caae5b6a5ad04b5920598bfdf844872fa51c699e501d96a378
- 06 L 2614e6fdb05e8b8fea2004a3e2095f9a0c57106e9d82e9c68f1b62936357bd2a
- 07 L 8770f7e170a14d9ff564e72f32728e34a40042c1717f205093f74aa9978357da
- 08 R d340d0a244eadb7402c21b7017c279b00e4e815c84796e21c6aa3bf218bf8b22
- root 43c0040335088766f0e09bb0b7058a07ac20c32186ca42ea4168720e25f93614