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
DPWH BATANGAS I DISTRICT ENGINEERING OFFICE Award a ₱12.9M contract to TOPTECH TRADING AND CONSTRUCTION CO., INC.National agencies
Transaction hash:
83ff23b8d09c3cac40634ccd4dab13a9828fa3201716525a9aa378dc5eb81efb
Status:
Included and unchanged
Block:
#3,596 2,417 blocks after it
Position in block:
Transaction 136 of 236
Award day:
Nov 20, 2018 (7 yrs 11 mo ago)
Value:
₱12,850,021.95
Project:
FMR
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 #3,596 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 "Outside Infra - SRA 2018 Farm-to-Mill Roads". 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)DPWH BATANGAS I DISTRICT ENGINEERING OFFICE awarded it to TOPTECH TRADING AND CONSTRUCTION CO., INC. on 2018-11-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18DB0233: 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 2019-04-07). 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 83ff23b8d0…b81efbnow …
- 2. Block Merkle root changedstored 85028c3e8f…63e4b8now …
- 3. Block #3596 hash changedstored 7abe1a78db…fecf28now …
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 235 records. Each step hashes the current value together with the sibling shown.
- leaf 83ff23b8d09c3cac40634ccd4dab13a9828fa3201716525a9aa378dc5eb81efb
- 01 R 87b6092806851045084405307c8c9783273785ebd6950db41e70f100a5856acc
- 02 R 4be790de89d347e7f474cb004a0e2c610a9124f6103b9f432ea50b91ef898855
- 03 R 2108870ccc59b23666cf816207711b09a4e1164ee8837794cacd58eba876a0ea
- 04 L 932e06883d4040dd971ee2d7d9e0623aaf85d1bc9b7a3f1e8b4b9f952b0a84c6
- 05 R 47594f7d5e57fdbdb7ccd8dc0479fed00a98842d3286ca4508182c6e41c0b6cf
- 06 R 2c7c2df476e2b855efa6dda1089de06e4a603df99d1a60978a7d1aa46932f976
- 07 R 5f6855518457280a9bc105f22746d40938eaa7e75d307dfe5e1550334536058f
- 08 L e19c096207d0aa73e6236f76bc938340356e4facd979f2156fc2e001477f7ce5
- root 85028c3e8f6c1cc7c07865b33ff18ef4d32389236d72fa105d516b3ccd63e4b8