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 - QUEZON 3RD ED Award a ₱26.4M contract to DQT BUILDERS CORPORATIONNational agencies
Transaction hash:
aa62cd1e5247240c8ec6ab8e7aa7644f05ecb88a726ac945586976cc8a6d6c23
Status:
Included and unchanged
Block:
#3,056 2,957 blocks after it
Position in block:
Transaction 188 of 308
Award day:
Apr 24, 2017 (9 yrs 6 mo ago)
Value:
₱26,359,829.65
Project:
Construction and Maintenance of Bridges along Nati
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 #3,056 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 - QUEZON 3RD ED awarded it to DQT BUILDERS CORPORATION on 2017-04-24.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 aa62cd1e52…6d6c23now …
- 2. Block Merkle root changedstored f7bc2a937c…6c5f84now …
- 3. Block #3056 hash changedstored b3ce2ea63a…2963b7now …
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 307 records. Each step hashes the current value together with the sibling shown.
- leaf aa62cd1e5247240c8ec6ab8e7aa7644f05ecb88a726ac945586976cc8a6d6c23
- 01 R ab4014f7a03da07379a8eba61271e4597be6e54183d10b4d11d5bdde3a233634
- 02 R aa8a032c48958ff1868cc35fc664a53cb8b83fdc78fbb05d6142e2886fe6738c
- 03 L b848952173c35c4efc1314fd61d62e9b6adc01fc2a90b5d9d084d6049e11cfb9
- 04 L 973dddc8507b4374424f220f804d6ace4473095e758c66efacbf32c48e955d05
- 05 L 116315340cf72e4ee32155e2e2817a285eea20558f3025c45ef6dbb6ed5d9f92
- 06 L 7e1fa6490188047092276a1cb90193ac9630eba77bbe03ef9f663c582728ea97
- 07 R 602bac407468c375d9b29ab0c6080f8adb93144a8251fb321df031ce2270794e
- 08 L cad035b014ba8fda093ed82282b3927d21b86abcb3d5a9c04c2c602690423f48
- 09 R 172d6fbe1603f2c59d42eb2441b46609de847910537383be410f4556b4a751c3
- root f7bc2a937c77171b7da2184f28007110c6aa09b976b2ccb787a396c1b46c5f84