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
PROVINCE OF SORSOGON Award a ₱2.2M contract to DUAMON CONSTRUCTION & SUPPLYProvinces
Transaction hash:
2b684f73322b3be593ce697ba7c4a9a6dd0cef7ac72ed84a14285c97f5afb1f2
Status:
Included and unchanged
Block:
#2,678 3,335 blocks after it
Position in block:
Transaction 40 of 264
Award day:
Mar 2, 2016 (10 yrs 8 mo ago)
From:
Value:
₱2,179,719.70
Project:
CW16-01-010
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 #2,678 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)PROVINCE OF SORSOGON awarded it to DUAMON CONSTRUCTION & SUPPLY on 2016-03-02.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 Sorsogon 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 2b684f7332…afb1f2now …
- 2. Block Merkle root changedstored f17ee5b1c2…189b92now …
- 3. Block #2678 hash changedstored 1b1a5d3e9b…7fc749now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 263 records. Each step hashes the current value together with the sibling shown.
- leaf 2b684f73322b3be593ce697ba7c4a9a6dd0cef7ac72ed84a14285c97f5afb1f2
- 01 R 2beab471245d79a848b77ffcd8b10d6a86ef663149da981bcb4472931442303d
- 02 R dceb644c8c7a8bb7e855a0e909d1bb0a457ddb6ff076489616f6b43705047efa
- 03 R 8ad485774ebddf8eceb10593d416a0e069971253efd5459e8303b322e3fbd4a9
- 04 L dc735a118296967ed279088fcd91e935038e43b9b80123239ff7b1d4277c56ac
- 05 R 4ba852e619593b2632e72f75e9b5c12eca042efc61348e3aae4595e5c8f0bb8a
- 06 L c5f40b1a525fad207204726fb3dfd8e77b8c563834a8d3b39fccd3e73591080c
- 07 R f180e89d4b082b00d8ea19c9a07940b264a109e66bc229b4668de723867474b8
- 08 R a4fe07b3cb1fcd5140147fb4de9e5ba260217df2e4b266b7534fc94a0762c8a3
- 09 R c5bc0a9f7569ca42d02355a3e37b640c18bc014e9624cd840742f29db15814fb
- root f17ee5b1c27a0f6c97163d027f25b08325aa61b59eb1421d46c752387f189b92