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 ₱3.3M contract to A. A. DE VERA CONSTRUCTIONNational agencies
Transaction hash:
fdecb16b4d37837d344448b80e4eed2fe287ce2e669f0fb9468986e91be34b22
Status:
Included and unchanged
Block:
#2,733 3,280 blocks after it
Position in block:
Transaction 481 of 484
Award day:
May 10, 2016 (10 yrs 6 mo ago)
Value:
₱3,279,491.06
Project:
16HA0018
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 #2,733 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 2016 MFO-3", i.e. the FY2016 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 - BOHOL 1ST ED awarded it to A. A. DE VERA CONSTRUCTION on 2016-05-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16HA0018: 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 2016-07-28). 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 fdecb16b4d…e34b22now …
- 2. Block Merkle root changedstored 51f7d9525d…a6c3c9now …
- 3. Block #2733 hash changedstored 77a77e0b32…a7c86dnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 483 records. Each step hashes the current value together with the sibling shown.
- leaf fdecb16b4d37837d344448b80e4eed2fe287ce2e669f0fb9468986e91be34b22
- 01 L fcf2462cb2a86430e34d4bc1520e22395b4c467f26139a52d8416daff57643bf
- 02 R b83199130bcdecd7606ac9b2314591a583f2e4638942d7e99f15be43adafb4e1
- 03 R f184094249514200bdc3ccf770cbe77c41b794bef0b879aa4199ff0f65af0fd2
- 04 R 25c68bf9a68b652444efd02348bea2e2ecc993831595898069a871f9efa1db30
- 05 R c45d609c63dd1109bbbdfbf6861fb4dfcad18d07ca0000abc5b3ec34f6e61f51
- 06 L c2cdf46455cea3427fae8f77cf2e78e97da1863759b2ed8b23430e214bfab5a1
- 07 L 86d538041051c231a8fdfe40fea1fbc2c7e26045c620c94bec591845e1bab586
- 08 L 07e09ccb59dcce3d32d5dde62a694b0ef35c0c20ce092008a1ea95cbae6e283e
- 09 L 93b662a16b1ac58e1f4d964cd33cae47e3c8921199742a823d90a90920320bcc
- root 51f7d9525d2f626589f122cde2df474d50083610b5fa95665c6f4f1e28a6c3c9