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 TAAL, BATANGAS Award a ₱497.4K contract to DELA ROSA CONSTRUCTION & DEVT. CORP.Municipalities
Transaction hash:
646d69dca9fe9b2b979ff70fe8288b6abed28f031bfc470e5ace6c47d4e81e82
Status:
Included and unchanged
Block:
#4,328 1,685 blocks after it
Position in block:
Transaction 20 of 69
Award day:
Jan 5, 2021 (5 yrs 10 mo ago)
Value:
₱497,439.52
Project:
construction projects
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 #4,328 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 TAAL, BATANGAS awarded it to DELA ROSA CONSTRUCTION & DEVT. CORP. on 2021-01-05.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 Taal 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 646d69dca9…e81e82now …
- 2. Block Merkle root changedstored b445a20558…c40af2now …
- 3. Block #4328 hash changedstored 970015195d…ab570bnow …
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 68 records. Each step hashes the current value together with the sibling shown.
- leaf 646d69dca9fe9b2b979ff70fe8288b6abed28f031bfc470e5ace6c47d4e81e82
- 01 R 65730c85902766beeb29f77480ba496fe12aa8aca2883faf543c3938c7eb2848
- 02 R efe5eccdf41c42e1d200dd15a7026a1dbba6fab0ca0e1922464a1f2520b3c517
- 03 L c26c85c6a570405c0d1eaa1d27b141bfbae8ecde971fdc031b5f4ac33272c3de
- 04 R 08a13c975ca64ad66ab676f2d11c2612cfa74e25778ed548cb0caf6db1b38ebd
- 05 L e5f7d9a374e3f1d53523162d1ccc1c5ddbe986d559ac9e5927a35de7bf665d1c
- 06 R 2bb3034512b4d7d24e425784442dfdd98cd81d3c7093b972afcb5cdaffecd3d7
- 07 R 03f912a560a30d375179b7ce334c5ecd8c7b4575722a9f3b34fef6f394919036
- root b445a205583531b211f4724304fbbcca4696bd22fdb580a2131ee87644c40af2