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
MUNICIPALITY OF DONSOL, SORSOGON Award a ₱1.5M contract to DUANA BROTHERS BUILDERS,INC.Municipalities
Transaction hash:
29181ca2bee8ef51aae3205dc3f86611060c33b440fe2720abe809f5cb5e8841
Status:
Included and unchanged
Block:
#4,241 1,772 blocks after it
Position in block:
Transaction 56 of 373
Award day:
Oct 5, 2020 (6 yrs 1 mo ago)
Value:
₱1,478,414.61
Project:
INFRA-PB-2020-020
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 #4,241 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)MUNICIPALITY OF DONSOL, SORSOGON awarded it to DUANA BROTHERS BUILDERS,INC. on 2020-10-05.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 Donsol gave a "qualified" 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 29181ca2be…5e8841now …
- 2. Block Merkle root changedstored 3074e76a7f…d80119now …
- 3. Block #4241 hash changedstored 026d26892a…b3bc1bnow …
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 372 records. Each step hashes the current value together with the sibling shown.
- leaf 29181ca2bee8ef51aae3205dc3f86611060c33b440fe2720abe809f5cb5e8841
- 01 R 2ac667c33ca5ae25b4ce05ad9259b322293c0e8610270c97939833df122223ac
- 02 R 0e86d68225b71c0d3aa07e86bb6791825d2280857505e470cba43b5fd6da31d4
- 03 R af8f128202082b85607d269fbe411df9595e4ec6fc922b716231d187d3677cf2
- 04 L c79b9f2bdee713cf3b53715004a6d8953107610e86dc130db6478a0ca6f17115
- 05 L de185e68b0aedffb5aeaaba3d480795068de3ccc83963ac873ee28288ae12a8d
- 06 L 591db2ef27985f01e3d9c6fbeba34183601c4e69bb843e841f58a934f37a70cf
- 07 R 72d3c90e1de055a88a39c5741f043ee04641c0e19f2863357a83139ac224d172
- 08 R 1ec1c631223ffbbacff477a84e18301f0d7a4b651b331fa542eed1ca69c33887
- 09 R 0eeb0af1ad251a472dd070d9ebdb6472107ffdf946b44fc42583858c794a7b9f
- root 3074e76a7f2ee939bcb259a086aa05c9ee54114e34d5cba33329d3e964d80119