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 - REGION X Award a ₱41.7M contract to RITCHE-NATHALIE BUILDERS AND GENERAL MERCHANDISENational agencies
Transaction hash:
aecc91d9ba0fd0b6fc96fb76d084dd420fd3fd03dc6039c04be459d1aadc1b1d
Status:
Included and unchanged
Block:
#4,414 1,599 blocks after it
Position in block:
Transaction 283 of 394
Award day:
Apr 8, 2021 (5 yrs 7 mo ago)
Value:
₱41,726,141.44
Project:
21K00156
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 #4,414 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 2021 CSSP", i.e. the FY2021 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 - REGION X awarded it to RITCHE-NATHALIE BUILDERS AND GENERAL MERCHANDISE on 2021-04-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21K00156: 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 2021-10-16). 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 aecc91d9ba…dc1b1dnow …
- 2. Block Merkle root changedstored 3daf557359…504edfnow …
- 3. Block #4414 hash changedstored 9013bd4e5c…7b63b7now …
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 393 records. Each step hashes the current value together with the sibling shown.
- leaf aecc91d9ba0fd0b6fc96fb76d084dd420fd3fd03dc6039c04be459d1aadc1b1d
- 01 L aeaf991e07a5fddb1d8fc65ff46f93ec3c0f959c91c1cf551e2d4414d254a978
- 02 L 04606c42d450e685dceacda6fcfc2e74b8b456690456a007804a51a3fc13e778
- 03 R 0a4e9a1dbbaecc2c4cfcf8df76a885f7630fb754c5a4ba85ad5d4da4c9e7fbda
- 04 L 9b0ce4774cd22be22b0a9e9a4301300e4f2e1f0ff90a6bf9a10af5ba1ae0df5f
- 05 L b152b8958a629d2c1ea733bd02c86b2e56175d6876efc3f28cee835e223bdff1
- 06 R 51db40f8295088b16f7bb63b7a420441bbeb50465e4032f9e1e1263309982ee1
- 07 R 5b9e241363867d4213144280a717fc99fb66c463626e24c802dacc4fc62e1677
- 08 R 7752459bd695ed62ea99ceeddba20286579d1b7c806e046690dcfe6c8d35ab84
- 09 L 92822c68738d4223a0516efebb1165d01e43af9bf289f92a2c54de38d952bfc2
- root 3daf557359da2ee9053f02e7fc4d1a9187ea4bf9d34e470df3cf84b1f0504edf