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 TARLAC Award a ₱499.9K contract to HIMULICO CONSTRUCTION AND SUPPLY CORPORATIONProvinces
Transaction hash:
8c3a67f19bab12d14ed5a2beb51f8f2a9807cf5af27462ad7a94fb50694c7fea
Status:
Included and unchanged
Block:
#2,429 3,584 blocks after it
Position in block:
Transaction 48 of 92
Award day:
Jun 10, 2015 (11 yrs 5 mo ago)
From:
Value:
₱499,910.48
Project:
Construction of Multi-Purpose Building
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 #2,429 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 TARLAC awarded it to HIMULICO CONSTRUCTION AND SUPPLY CORPORATION on 2015-06-10.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 Tarlac 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 8c3a67f19b…4c7feanow …
- 2. Block Merkle root changedstored 7863c59b62…846f54now …
- 3. Block #2429 hash changedstored 5ff6ca56e7…3a7bdcnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 91 records. Each step hashes the current value together with the sibling shown.
- leaf 8c3a67f19bab12d14ed5a2beb51f8f2a9807cf5af27462ad7a94fb50694c7fea
- 01 R 8c865e37a818cab87abb35a066342891a708cdf7d0a944e95d706ee9299fcabb
- 02 R b1fb0c5462489f74f9ea20860f7325f366f861d4d9a87303daff7cc1722be589
- 03 R 214546770b15bc815816e5030fb5089c406b7ffc5011e77ec5b3bb76ab3b7555
- 04 R 31a5de73694d44f2c6d3cd3afb5322e6130e3d3e11a34716933fc9784743fbf3
- 05 L 462e78e877fc35f8edaa038f9aa181eff61159c5373258573fd7d3e897750a8d
- 06 L 29619918c5ae21c983fd577a81568de7602b998757fa87af581ebed48348d655
- 07 R a37460f0b57c0be431949fbf810fc5e45e030fb401085f2e98883aa31268af94
- root 7863c59b62c292f0e4a6ddfc8e71536332a413e11728a2db46037fcc22846f54