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
CITY OF TANAUAN, BATANGAS Award a ₱493.0K contract to NEW TANAUAN LUMBER & CONSTRUCTION SUPPLYCities
Transaction hash:
b6c2103a13b69f9727481d179eebd9a19f6441a7e8d5ec357717f39452516878
Status:
Included and unchanged
Block:
#1,067 4,946 blocks after it
Position in block:
Transaction 15 of 21
Award day:
Feb 8, 2011 (15 yrs 9 mo ago)
Value:
₱493,000.00
Project:
-
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 #1,067 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)CITY OF TANAUAN, BATANGAS awarded it to NEW TANAUAN LUMBER & CONSTRUCTION SUPPLY on 2011-02-08.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 City of Tanauan 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 b6c2103a13…516878now …
- 2. Block Merkle root changedstored 280749fdcf…fdc246now …
- 3. Block #1067 hash changedstored 1c723f1a8a…bfa3f5now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 20 records. Each step hashes the current value together with the sibling shown.
- leaf b6c2103a13b69f9727481d179eebd9a19f6441a7e8d5ec357717f39452516878
- 01 L b66475c3a2735a2ab108328bbd78869fdf4452db4138deea89c10cf2b91ce40a
- 02 L c2eeb2df0666d6534ad21af602af540d9716dfe878e8653c6987420c97d22f54
- 03 L 209a392580677f06467553c05cfc7b2ececafb16c6b3365b955a4e736117b936
- 04 L 1b451d9260bcfc115e296659b552c0dc24d9f25bdee467d3f0ef4734d8e677cf
- 05 R af3067b28db86d57fbf522b8bb657e187cff89ff29cb875d7eac932a98d0e990
- root 280749fdcf3f3b7bc3d87c904537025b7183558548068da62330a0f846fdc246