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 - ZAMBOANGA CITY DEO Award a ₱5.9M contract to 2M CONSTRUCTION AND ENTERPRISESNational agencies
Transaction hash:
717a75bc1ff1ec44d515ca15b98bd06e61f3e4e0fad964b29b8d8030eb9a7ed4
Status:
Included and unchanged
Block:
#2,495 3,518 blocks after it
Position in block:
Transaction 105 of 242
Award day:
Aug 20, 2015 (11 yrs 2 mo ago)
Value:
₱5,922,222.24
Project:
Construction Project
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 #2,495 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 - ZAMBOANGA CITY DEO awarded it to 2M CONSTRUCTION AND ENTERPRISES on 2015-08-20.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 717a75bc1f…9a7ed4now …
- 2. Block Merkle root changedstored f8cbb1c6e4…382f86now …
- 3. Block #2495 hash changedstored 7d33525f94…c2bdc9now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 241 records. Each step hashes the current value together with the sibling shown.
- leaf 717a75bc1ff1ec44d515ca15b98bd06e61f3e4e0fad964b29b8d8030eb9a7ed4
- 01 L 70fd8fc49805d7b8537f8f7281c607fe3f4ee4c4459b8746869623da6d9c1cb9
- 02 R e19dae3fb0459626237b0a7ede99da43ce0f940bb2c8237aedea246c6ab57c12
- 03 R 1bd036ba06a45d1ef8b4fc1d5d72d16ba5c90344157680b2ddb7210004d214b1
- 04 L b62fe53d4d53ebb44713170096dd2db18d5ce7a94f60f129536d5dcfa64b4e69
- 05 R 41853d9edc48be5653ca39ddad618ac7703fc3cbaca97a0a485382b7360b72c7
- 06 L f93f92b5ae96e52abc1c289effe7a9e9780e9e64aa7e0b5547b63e85c86c33c5
- 07 L 05a5ce48d4f524b1bbaf3dceb340fdfad9c7566ecde296b3bb1f772ba0dd3ad3
- 08 R 0559b968de3c314b38c76bfa7f8dfd1cd4451641ab4032c9d57fec08ec5495dd
- root f8cbb1c6e496d0879cd96d4d15713d5ec8bd7f4857544115ad65489d36382f86