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 ₱19.6M contract to MICLOVER GENERAL CONSTRUCTION AND IRON WORKSCities
Transaction hash:
8711a84dfbcdd6fc8a304fe2d5d8cd564f32cd82d6b82475c5474cf2f54e7e96
Status:
Included and unchanged
Block:
#5,198 815 blocks after it
Position in block:
Transaction 46 of 83
Award day:
Jun 28, 2023 (3 yrs 4 mo ago)
Value:
₱19,567,840.00
Project:
Infra Projects 2023 (2nd Quarter)
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 #5,198 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 MICLOVER GENERAL CONSTRUCTION AND IRON WORKS on 2023-06-28.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 8711a84dfb…4e7e96now …
- 2. Block Merkle root changedstored 851b0efd15…ff6449now …
- 3. Block #5198 hash changedstored f7cfd9e515…e6b315now …
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 82 records. Each step hashes the current value together with the sibling shown.
- leaf 8711a84dfbcdd6fc8a304fe2d5d8cd564f32cd82d6b82475c5474cf2f54e7e96
- 01 R 89831f7d38ed5a5c762732c3d365ebb7efc950cb9a3d3221d234d2abe0e56d6c
- 02 L 22ecb5d8772d5a76e7850d427b50799ed5f5ba972df31098c176614239fd3ef8
- 03 L f82cd4312b8719d48d71d1fa2246b2836a5b39749ed5e6ad65eac9291fa644fc
- 04 L 4104b66318294e89531bb317d0fa73a487eac57ec5ab0640b2ddaf8fefd94b77
- 05 R 557d1d91f42815ec5e7e85a788ad73c068e86da3516015ab9018d552052d53d4
- 06 L 4ffc22b1491be54f693e077233941179bbf5f143cf4e7e4beeb5020b93fcf66e
- 07 R 2eeae4615beb88adaa0b840e3d0faf70e126838d84426c93fce196981fec45b2
- root 851b0efd15ab09e50429af5dd778dbb112d7fb7931e5bd83dcb2faf7bfff6449