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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 1ST ED Award a ₱2.4M contract to A. A. DE VERA CONSTRUCTIONNational agencies
Transaction hash:
d226aec688e3352fa6cc0a076824111f28734e4e097df4291116a3c8fe296fa2
Status:
Included and unchanged
Block:
#1,903 4,110 blocks after it
Position in block:
Transaction 77 of 104
Award day:
Oct 29, 2013 (13 yrs ago)
Value:
₱2,402,960.00
Project:
13HA0041
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 #1,903 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 1ST ED awarded it to A. A. DE VERA CONSTRUCTION on 2013-10-29.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 d226aec688…296fa2now …
- 2. Block Merkle root changedstored c67d18b250…17c49fnow …
- 3. Block #1903 hash changedstored 25fa33df81…7c075cnow …
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 103 records. Each step hashes the current value together with the sibling shown.
- leaf d226aec688e3352fa6cc0a076824111f28734e4e097df4291116a3c8fe296fa2
- 01 L ce5f32ef21a1966e7d40345b060bb5c75ed37600461f4009267fb633df49b746
- 02 R 862f5517de5f7086ebc0d5b1833753a38a5c7909fcc48e46999df20b2c55770f
- 03 L 2a4ae5d4a92ea9ff1dd129ec2be6c4ed8b7857945279bddedaeb2e4df8bf951d
- 04 L 37bd5933191e0ac770c83ebe3a59227948b400d48215a61c28a686033ae66e2d
- 05 R 56b46739cff13cafff274ffae0ab20ad33c0a7379bc0355025966940842bbaab
- 06 R fe79d79d01e696c342713614d35eeb6e9a416636fe887f8b34363f148d42f3f0
- 07 L 52a510ffdecc8977eda8a42fc0165673af757962be49734e57b881ad6dd0865c
- root c67d18b250a5c53c86aa5607eacce2554328bb26da442fcb188d4951dd17c49f