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
PROVINCE OF DAVAO DEL NORTE Award a ₱1.4M contract to JD SOMOZA BUILDERSProvinces
Transaction hash:
dbbca0b48100a50b7b8ec06cfdba84b6394e578b9e8dea9dab99c5865fb42b0d
Status:
Included and unchanged
Block:
#4,714 1,299 blocks after it
Position in block:
Transaction 520 of 602
Award day:
Feb 9, 2022 (4 yrs 9 mo ago)
Value:
₱1,406,870.72
Project:
20218712B /2021122079
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 #4,714 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)PROVINCE OF DAVAO DEL NORTE awarded it to JD SOMOZA BUILDERS on 2022-02-09.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 Davao del Norte gave a "unmodified" 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 dbbca0b481…b42b0dnow …
- 2. Block Merkle root changedstored 7f1c034012…8c643fnow …
- 3. Block #4714 hash changedstored 5d9b8cfe68…1acc41now …
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 601 records. Each step hashes the current value together with the sibling shown.
- leaf dbbca0b48100a50b7b8ec06cfdba84b6394e578b9e8dea9dab99c5865fb42b0d
- 01 R dc1c69f266ff5bf486fa636232168cda37bf5fe14d6759287e1a5ae2adfc2478
- 02 R 7fee3078bda1c645476666b8403666888967c93a4a7796ab972de6c6392d0a33
- 03 R ccdb389b78443a67ebb0b13f60dbe30fd0db2ba0cb9d9e7dba2d9fc69af30aea
- 04 L 0c8ce548de9c5734964173ff1cd17e3cb624206ed5041d719c7b81bf95500d90
- 05 R aeef2d5c3a57a7766a8d9d19c0809df5ebe761373b65224176a1f78423866c37
- 06 R ef108cbd21a08578f12e056ce955978ab2f7f4a779562de3822a4341a90fab58
- 07 R beb7ae055cb905b9278f92e0bafc0cbd75b49af46ec4f353eefe215283707938
- 08 R 704b8618f53f97e7c618349bdb10b079e8c41862b32a93774eaa8cb9606369e0
- 09 R 7bb20473f1bcb73317a65bcf1eecbd641843b005cbb6f960becb8b3ced7027a1
- 10 L 873cd2ec027e7719ed8d9b8b720c1c0c1d2f69daa10733e94f2a17c5db9496a8
- root 7f1c034012f45bdb9b7b814b85bd3fcab23ffebd269ba1a28fbfdd4b6c8c643f