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 - ROMBLON DEO Award a ₱4.9M contract to TWIN DRAGON CONSTRUCTIONNational agencies
Transaction hash:
0cbdc5b117df543aee2fdfa30756b5d413d18c514e02613fbd68f6096e7e6ad1
Status:
Included and unchanged
Block:
#2,667 3,346 blocks after it
Position in block:
Transaction 7 of 240
Award day:
Feb 19, 2016 (10 yrs 8 mo ago)
Value:
₱4,851,822.17
Project:
Rehabilitation/Major Repair of Permanent Bridges
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 #2,667 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 2016 MFO-1", i.e. the FY2016 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 - ROMBLON DEO awarded it to TWIN DRAGON CONSTRUCTION on 2016-02-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16EH0017: 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 2016-04-15). 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 0cbdc5b117…7e6ad1now …
- 2. Block Merkle root changedstored 754f71b44c…6bd1cdnow …
- 3. Block #2667 hash changedstored 4b296529d9…d3b187now …
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 239 records. Each step hashes the current value together with the sibling shown.
- leaf 0cbdc5b117df543aee2fdfa30756b5d413d18c514e02613fbd68f6096e7e6ad1
- 01 L 0a418a5f4debd3c3b93c6d1470f8d38847b48f0c6dabe6eca04f9e3e6bd28c8f
- 02 L eae8eb696bbf1fa6bfc09e915791e0100e61e2722647663a1a2eb7ac03f0f4fa
- 03 L 6adc565c986f6ff807d1abca73a1d4ef7d0eed9264698549a0c9100d06cbf87b
- 04 R ff69cf72549f379d97dc201fce8b4d5f58c7d0dfd271dd137a1c6b4db50e3fd9
- 05 R c44d771c2f128f700dea48ba23a2280a8061bf35fe72e7e17932e4447e06e9cf
- 06 R 5c8ecfacba5b2a1df0a7316249b54876e116eb11232d52f47dad6632ab1ce31e
- 07 R 605487087c24f5aa4bd65c3295f6dd379b0073c8e1b0f886589a9e6567433182
- 08 R 52ebe353e496cfc802e8018bbf700eff7ade2dc57399bc5e0e8c1a545563eecb
- root 754f71b44c729515a9c78826f5e88ed4a953da3a4599e9498d85819c996bd1cd