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 DAVAO DEL NORTE Award a ₱20.2M contract to TWO DEGREES CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
8f8d159c6485adf3192ea2fd1b61e6b8a65740b89dd6a366c2273212ae46d2e9
Status:
Included and unchanged
Block:
#4,811 1,202 blocks after it
Position in block:
Transaction 121 of 217
Award day:
May 27, 2022 (4 yrs 5 mo ago)
Value:
₱20,175,019.20
Project:
20220592B/2022010713
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 #4,811 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 DAVAO DEL NORTE awarded it to TWO DEGREES CONSTRUCTION AND SUPPLY on 2022-05-27.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 Davao del Norte gave a "unmodified" 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 8f8d159c64…46d2e9now …
- 2. Block Merkle root changedstored 04952c7bf3…7c5c44now …
- 3. Block #4811 hash changedstored 7ff0e15186…972bffnow …
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 216 records. Each step hashes the current value together with the sibling shown.
- leaf 8f8d159c6485adf3192ea2fd1b61e6b8a65740b89dd6a366c2273212ae46d2e9
- 01 L 8f0f5ddc866e129ce7660e5363c58125eb246f4126aeddccfcc7217e5316e726
- 02 R c39c7e8c91384c34f81836a69fcd752f51cbecf485a5e353a906e79e86ae5787
- 03 R 254b6647e92a57671020154521ce730496658a7672a191df7789d665421954ac
- 04 L f2ee14551ce4f60d74bf715e193b026a11051fd50a08a41be847c19d583a4dfa
- 05 L c07e45e4bd4a244c1ef29ec472b08d6b6e47352ab2930592eb9f0e611f2faa5f
- 06 L cfd29771793f09c8534520c2ba94a2364a7fda354d435b380edfad5057e6ea02
- 07 L 87892862ada9b9644d9c0d1a21e4e6697f10a3a784a150650c35c295774afbd6
- 08 R 1b11dcf289cf66badbd0a89ebc34e4c3cc8e2caf10c9b3ebce0c91a7f952ec19
- root 04952c7bf3d23df8e15b16dcb146a26b465d15119a1704478f64fb93f57c5c44