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 V Award a ₱30.8M contract to NUMERICAL GATE CONSTRUCTION AND SUPPLY CORP.National agencies
Transaction hash:
bb12e562e36ad8d7e5934a4967f58eb5b30f91eb546d0fe3a6bfb937ea5e8106
Status:
Included and unchanged
Block:
#3,043 2,970 blocks after it
Position in block:
Transaction 200 of 283
Award day:
Apr 10, 2017 (9 yrs 7 mo ago)
Value:
₱30,817,985.16
Project:
16F00122
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 #3,043 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION V awarded it to NUMERICAL GATE CONSTRUCTION AND SUPPLY CORP. on 2017-04-10.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 bb12e562e3…5e8106now …
- 2. Block Merkle root changedstored cdc86b44e8…142d7cnow …
- 3. Block #3043 hash changedstored 2651e34987…b4f71enow …
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 282 records. Each step hashes the current value together with the sibling shown.
- leaf bb12e562e36ad8d7e5934a4967f58eb5b30f91eb546d0fe3a6bfb937ea5e8106
- 01 R bbd1fa4987fe31901315944662bf95be960da29cbdc68e9b8dbbbcfa22c9cf43
- 02 R b185c992bdabd08200babdc33065d4007d31da96cc55dd399ad40fd4048ef902
- 03 R 31447a12e6b500017831348e022fd5eaa4d1fdeb45c88e8a69a878fc871b5321
- 04 L b7c482ae407570f1c7c0b35c9b29f8892be2b089d73506054b120db13d004c95
- 05 R 0f2e264832db48499161bbab300f32f832e3c434d3091e8242b4fa00a5dfbc68
- 06 R 9d087585f582ebec05c824e8a68f2e5f3380545c331ff62df089edcc37ea4d60
- 07 L f07465dfa4a728d2499cb9f29b19ed9b87b88bca309c52193da7e4c0b6e2a47b
- 08 L 9b4c101bb813191132f7c3699a68fbf034f60427a43c12c34965283150f32d15
- 09 R f4dd47b54da8c607e271c98201e181bc6f4a16ecdff4abdf1069926a4930fecc
- root cdc86b44e8fe479d73f585c59cdb7bce9a839e607d089c54fa855f2960142d7c