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 - DAVAO DEL NORTE DE Award a ₱4.9M contract to SILVER ROAD CONSTRUCTIONNational agencies
Transaction hash:
ccb14cd63ea7d86e5d8ce88fd9eabd60d8dbe426b22f64215531c83cde884fb4
Status:
Included and unchanged
Block:
#4,713 1,300 blocks after it
Position in block:
Transaction 483 of 617
Award day:
Feb 8, 2022 (4 yrs 9 mo ago)
Value:
₱4,872,900.97
Project:
22LC0045 Access Road leading to Tagum Energy Park,
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 #4,713 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)DPWH lists the funding source as "Regular Infra - GAA 2022 CSSP", i.e. the FY2022 GAA. The exact UACS line is not given.Partly
- 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 - DAVAO DEL NORTE DE awarded it to SILVER ROAD CONSTRUCTION on 2022-02-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22LC0045: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2022-04-27). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 ccb14cd63e…884fb4now …
- 2. Block Merkle root changedstored 19fd2801c0…7849f9now …
- 3. Block #4713 hash changedstored db56aea247…883c1fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 616 records. Each step hashes the current value together with the sibling shown.
- leaf ccb14cd63ea7d86e5d8ce88fd9eabd60d8dbe426b22f64215531c83cde884fb4
- 01 L cc61a969bc6b6b1d1ad15b3e90eef48e13f43ec4b4e83672445caf9ee5066d19
- 02 L 0dbc5549ab7e43b114aad762fc9ec66cf2aec85d5cdc5c507ab8f3bcc41efced
- 03 R 61fe36300f140ada94e6ef66625c782be02aa822f22d3b8b622f447d59f8f794
- 04 R b1c6a2b9b87cb695d0304cae023a264ead815fcd8d9508e25fec064e799112a9
- 05 R 12340ccfcaee4849357711a327613d7dc0ad5efd44370f80e8ed1f00eca1fcda
- 06 L 3beece5fb673c0873c935293201983daa0bc0b47c63d729ff7f39f7578ee14b2
- 07 L 0909ea0c978a3450f91c8bb4a14fa824915b697379156f5915f25a4d6eff78a0
- 08 L 303c17a09838fb364a1b71a213f408b19d55f3fc86e8fcfbd7449ee1f86a015c
- 09 L 8a0e801f1e21e28f6bc0e6ea612f5e98dec584b41905bd35594968245d9b9fcf
- 10 R aac9565be143b5d35a3a4a8a541645c0a36a102485075cfaf36b05183cb2c01c
- root 19fd2801c0163e54e70b1f04c2a0200e7088041af0b42702e67a97deaa7849f9