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 TANGUB Award a ₱935.7K contract to LEXAND CONSTRUCTION & DEVELOPMENTCities
Transaction hash:
26976efbe142ccd171ff5ce8d7a38e6ab1fd509e6210b35238944ee25953149d
Status:
Included and unchanged
Block:
#3,051 2,962 blocks after it
Position in block:
Transaction 32 of 230
Award day:
Apr 18, 2017 (9 yrs 6 mo ago)
From:
Value:
₱935,733.13
Project:
IMPROVEMENT OF WATER SUPPLY AT IBJT
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 #3,051 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 TANGUB awarded it to LEXAND CONSTRUCTION & DEVELOPMENT on 2017-04-18.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 Tangub 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 26976efbe1…53149dnow …
- 2. Block Merkle root changedstored 0ad9d9acab…8bca0cnow …
- 3. Block #3051 hash changedstored c4c50a2714…534eafnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 229 records. Each step hashes the current value together with the sibling shown.
- leaf 26976efbe142ccd171ff5ce8d7a38e6ab1fd509e6210b35238944ee25953149d
- 01 R 27dabcaead0eb6677b141885ef3df4c85f2e68ff497f0a6197b9c678ecc2c2d4
- 02 R ab27d3e9de8c5c12ff1fe70adda8109d03bb29bd0fea59d1941b579e156d044d
- 03 R 42f74a77c2952a7e0510c352a007a678f45fcb85d02cffb4707f5bf67f14e062
- 04 R 221c93744b740bf636ffb40e23c3984a914386e5f2f122cd63fead80eb297fc5
- 05 R bd49769adccddf4a7252d60da1b5a7bd626f0ac763e81a7079358cbada7b69b0
- 06 L 26aac62870df7d5af0b737babf403858e8e0bcb9cd072c43d0231a90ce024ac0
- 07 R c7c71a105f445f63589664bb216f4cd5f144e57ceb6b30e242d25d244d46ef25
- 08 R 0a7af839c83b41c900cb15996d5f37a24ec3115b92d8d97ae3f799d4e597f360
- root 0ad9d9acabc69042df9063ca38d8ea8b84ad7eb04b00d5958913b994d98bca0c