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 - CARAGA Award a ₱61.2M contract to CM TAN CONSTRUCTIONNational agencies
Transaction hash:
17d90a4440bfda5887cef50fa224668db663d1321ca66e478805bf483e170b61
Status:
Included and unchanged
Block:
#2,674 3,339 blocks after it
Position in block:
Transaction 40 of 383
Award day:
Feb 26, 2016 (10 yrs 8 mo ago)
Value:
₱61,183,582.03
Project:
15N00078
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 #2,674 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 - Maintenance Roads and Bridges, Roads: Construction - PCCP". 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 - CARAGA awarded it to CM TAN CONSTRUCTION on 2016-02-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 15N00078: 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 2016-12-23). 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 17d90a4440…170b61now …
- 2. Block Merkle root changedstored 9bf71a2f45…125414now …
- 3. Block #2674 hash changedstored bd6165cbae…94d8b0now …
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 382 records. Each step hashes the current value together with the sibling shown.
- leaf 17d90a4440bfda5887cef50fa224668db663d1321ca66e478805bf483e170b61
- 01 R 193082b77601b6b8d865c02763e38547de4c770e6293b125f8f4fe795a5c3193
- 02 R 8bc8b5e2145070315e8449ede94953fe2928d30ecd3947773a3a4dd982f561bd
- 03 R e2b9a9b525e8b92826f91d0c9d79fa1a1ae4a465ed5a1b4bef045e9837750f5c
- 04 L 9184b6902e5e9af3e6db4799fd150c7c5271a7508c35d297ea487e87ca946e01
- 05 R d6b86cd4cef2b798ff68dfcf0c807e43ce9806793b3a326cbe73e74fa687d209
- 06 L d81e18bf0a7d2e00bff6a6c61526427ef79a9a1939fd447b9a988b7618e3983a
- 07 R bd807db79041a9f86eeeb4dde62edcba286fe9daf50639e5204ec07f3c961663
- 08 R 1494e4798b32496eed70ea1b1d84192dcdbe2e4e58ee0b49028dcc1fdb86730c
- 09 R 5b011e9df070b6ac7aa80a76921682ab7818e01ea6787af9dd532c77d8ae3227
- root 9bf71a2f451246d784fd4230c0d398517c9bdb67f36769be5e6aa30999125414