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 ₱4.0M contract to DUAMON CONSTRUCTION & SUPPLYProvinces
Transaction hash:
cbf720235459f185bf3cc4c49b390edb416bc39236aa629bd5c9dfb09fe9fada
Status:
Included and unchanged
Block:
#4,251 1,762 blocks after it
Position in block:
Transaction 95 of 118
Award day:
Oct 15, 2020 (6 yrs ago)
From:
Value:
₱3,954,248.55
Project:
CW20-08-043
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 #4,251 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 2020-10-15.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 cbf7202354…e9fadanow …
- 2. Block Merkle root changedstored 37142195d9…824c0anow …
- 3. Block #4251 hash changedstored 7db8dde087…505338now …
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 117 records. Each step hashes the current value together with the sibling shown.
- leaf cbf720235459f185bf3cc4c49b390edb416bc39236aa629bd5c9dfb09fe9fada
- 01 L ca7ced3934cf303dce11abe41ae73f7234699bff55ad127b972265fc42578541
- 02 L 28971ddd11263007b14418ab86faa1dbb5d2c75494f6ac1580994b78a6519738
- 03 L 75811882482304f8a1a2e9db7cf2ddc621fb4167538793fb8fa434d448a55304
- 04 L 1a24e8ae867a939220eecdfebfd68dba83a6508e0b59cbcd97420792dfb929db
- 05 L e804c3b75023ca644a30adc1aebeb4a4c85f42b9306f15673c68af14b26f046d
- 06 R 1041e2bdf33582ed47ba772630855673d27ce79ec9cb087c214ed1ebac95cc3f
- 07 L ce66058cf3e627787b91770eb3491bfd8bfa408eb1736b6ee7c84420cdef6d7b
- root 37142195d936927c5e37d95887e86e2e88c2be787d98cf8c9820f96c96824c0a