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 SURIGAO, SURIGAO DEL NORTE Award a ₱1.6M contract to LVRO CONSTRUCTION AND SUPPLYCities
Transaction hash:
27cb780f8a84d348fcb04eb8b2f360efa3e4d9e7a1c7de922f00f4691740f6c6
Status:
Included and unchanged
Block:
#4,168 1,845 blocks after it
Position in block:
Transaction 25 of 181
Award day:
Jul 20, 2020 (6 yrs 3 mo ago)
Value:
₱1,598,499.11
Project:
Completion of Irrigation System, Brgy. Danao
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 #4,168 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 SURIGAO, SURIGAO DEL NORTE awarded it to LVRO CONSTRUCTION AND SUPPLY on 2020-07-20.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 Surigao 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 27cb780f8a…40f6c6now …
- 2. Block Merkle root changedstored 9a7af6b999…25f0d2now …
- 3. Block #4168 hash changedstored 69856941d4…21c761now …
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 180 records. Each step hashes the current value together with the sibling shown.
- leaf 27cb780f8a84d348fcb04eb8b2f360efa3e4d9e7a1c7de922f00f4691740f6c6
- 01 L 26cf102c06d32c4e9f0e70a288acb2418771a40ee870772a83d7842c48fccb9b
- 02 R a9da862580f8636f1d4f05a6d020ce349bef24541eafc440f7800156095e6119
- 03 R 146f85bddf7448b37d4d31ce3dc376c9f2201adffec7b45a3c76a46f5ac8c64b
- 04 L 55537e7d4f64d29fa5d9ec0a3089c0d175aacf5f5b292c271bcb86fb857d3863
- 05 L a95535ac952dbea902682fd9ed5ed37bbfbf90918d3bae9f42d5985d81ea49dd
- 06 R 5170e206ad2b3d93710c30d1111e4cea7b2dcd9267bd6b285c0452e76166e9d4
- 07 R 20fdaebaf06866a827be80a5df9737e101d279ef59620953e70ce9ac89b8645d
- 08 R 39b7b53b0648fac88e1ff2d069cb069b9145b5ec838b1d8933f57fe3a456020a
- root 9a7af6b9996c5e098b71c700abcbf4164c3248c50d07b7e549a17599f325f0d2