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 BATANGAS Award a ₱187.6K contract to L. ALVAREZ CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
627ecddea161908e9a3a91a0a8cfa0d21be448700d5c12da1dd1edf6124bf661
Status:
Included and unchanged
Block:
#725 5,288 blocks after it
Position in block:
Transaction 14 of 37
Award day:
Nov 3, 2009 (17 yrs ago)
From:
Value:
₱187,567.80
Project:
Improvement of Fence of Senior Citizen Building at Barangay 7, Lipa City, Batangas
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 #725 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 BATANGAS awarded it to L. ALVAREZ CONSTRUCTION AND SUPPLY on 2009-11-03.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 Batangas 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 627ecddea1…4bf661now …
- 2. Block Merkle root changedstored 20796ab190…218df4now …
- 3. Block #725 hash changedstored a844f4d118…446a7anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 36 records. Each step hashes the current value together with the sibling shown.
- leaf 627ecddea161908e9a3a91a0a8cfa0d21be448700d5c12da1dd1edf6124bf661
- 01 R 64330a613802de7f73b55af54d8c80bcdb42f7b893a78bec6e015c03d35287c7
- 02 L b8b49b704cbf6258ace9e4d5e5b33dc7295582e8967cecdf79cfc442430e4d7d
- 03 L ff8a7b36e699d5150a5ab99f2d339c6d8ce18205718e2551639a5309c6c04134
- 04 L 62ce95abd593611943246f24ae59e6da0dde12121917d9a6012234223d48de36
- 05 R 43242c2bc6aa6df69a2e016b5075e69f316504f00cf1a059f937afd7eb4eb7e2
- 06 R e1ea3721d1ea90d11379a5f9af3a4c95759b73a2f562a73bdbbafa4c5e4ed519
- root 20796ab190a08e40977b671b8044b5ec744a5edf11fe1063d2fc14e89d218df4