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 ₱1.2M contract to BNG CONSTRUCTION & GENERAL SERVICESCities
Transaction hash:
01c77a30bb0cbe3377a6bc2881ab797488fe3b8c81ad13a005423dba55b45c6a
Status:
Included and unchanged
Block:
#2,301 3,712 blocks after it
Position in block:
Transaction 1 of 183
Award day:
Jan 20, 2015 (11 yrs 9 mo ago)
Value:
₱1,196,630.50
Project:
Orok Level II Upgrading 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 #2,301 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 BNG CONSTRUCTION & GENERAL SERVICES on 2015-01-20.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 01c77a30bb…b45c6anow …
- 2. Block Merkle root changedstored ae4a0253b8…24d152now …
- 3. Block #2301 hash changedstored 36b3455f10…f6fe43now …
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 182 records. Each step hashes the current value together with the sibling shown.
- leaf 01c77a30bb0cbe3377a6bc2881ab797488fe3b8c81ad13a005423dba55b45c6a
- 01 L 00c60209e0b8103697177c2916134989d89e9ea3c878faec084b6dafbc703103
- 02 R d173f251fdd6d39c1ad95f5e854d354a1e5bb76f768c94bfb0b33f4e34a6e033
- 03 R 05f2a2f47e8a60fed6505a76b1ab99623beca8001454ec4cec6dff71eba52c04
- 04 R f843e67242eb18a514258cde3b21b66d1ba4d5cc749f7b57da550476ee2e244a
- 05 R a45f96398d09aaedaf7691ddf10a2dd611f6590008597257bd4a8a271b402eb9
- 06 R 2a8011a48206936e6b95621f1b62069386db0374dd3a25974d9b125c0b1160fb
- 07 R 81148fed63e04d91cc2f4f7f2822123851225e99765145a654db1baf9d4dc24d
- 08 R 686adfdc71d47151fb33f3faee8487129896a3dda26406dbe03573938f00dbb3
- root ae4a0253b891685ab0201370ad3e0f1dcfc358ad1ff5e5416a927a55eb24d152