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 ₱21.0M contract to ARSVI CONSTRUCTIONCities
Transaction hash:
fd6e24546b60f2ea6f7429797846aaee9e676a673a9c1d1489f5720eb18df7d3
Status:
Included and unchanged
Block:
#1,910 4,103 blocks after it
Position in block:
Transaction 100 of 101
Award day:
Nov 7, 2013 (13 yrs ago)
Value:
₱20,979,685.07
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 #1,910 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 ARSVI CONSTRUCTION on 2013-11-07.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 fd6e24546b…8df7d3now …
- 2. Block Merkle root changedstored 1cab9bf024…63b20enow …
- 3. Block #1910 hash changedstored 861b01e5b0…47b817now …
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 100 records. Each step hashes the current value together with the sibling shown.
- leaf fd6e24546b60f2ea6f7429797846aaee9e676a673a9c1d1489f5720eb18df7d3
- 01 R fd6e24546b60f2ea6f7429797846aaee9e676a673a9c1d1489f5720eb18df7d3
- 02 R 567a3608b653e3100d666bcc68a93f874b1009ffd625cf86f682d19a8df42d4d
- 03 L b77a83f90d315f7a17805e4e589c4f01a1bb6327d13bb6a6b9b39269b0e7b6dd
- 04 R 5123909d1a3abb6f1204bb7e89dde154e191eec73fdc4cba2c0d220b58b2c958
- 05 R f5e19e817b1515be249ab0cee7cc90a66aafbeaab213bcb1d474735899d21fea
- 06 L 30ffb8a31fa3aebf3f90d4dc681a1a4b704c66de49188294b64c98de134bf9f6
- 07 L d42f73d1943e628a7a1595c6ad0b362d006a8227fb739d6b7282e62ae3096629
- root 1cab9bf02406664a83f2a336ea4f83ca0a0d0e22b51b5a19fe8904d1a563b20e