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 1ST ED Award a ₱4.2M contract to TAN TAY LIM BUILDERS AND GENERAL CONTRACTORNational agencies
Transaction hash:
c65fcad9c6bb2dcdcdff3560f2f1f6f70e4d5296cd37b120b84028c56bbbe889
Status:
Included and unchanged
Block:
#3,602 2,411 blocks after it
Position in block:
Transaction 275 of 357
Award day:
Nov 26, 2018 (7 yrs 11 mo ago)
Value:
₱4,193,212.31
Project:
18DK0176
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 #3,602 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 "Outside Infra - GAA 2018 DepEd BEFF", i.e. the FY2018 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 - QUEZON 1ST ED awarded it to TAN TAY LIM BUILDERS AND GENERAL CONTRACTOR on 2018-11-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18DK0176: 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 2019-02-24). 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 c65fcad9c6…bbe889now …
- 2. Block Merkle root changedstored 46b174fb54…4bbc3anow …
- 3. Block #3602 hash changedstored 4d2b3f8871…14ca3fnow …
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 356 records. Each step hashes the current value together with the sibling shown.
- leaf c65fcad9c6bb2dcdcdff3560f2f1f6f70e4d5296cd37b120b84028c56bbbe889
- 01 L c656153c19411b627c081a9e464bdba54ee02bde65e88c12b975628cc0fcdc4c
- 02 L 472c3aa6b62f7dc827fd2e14cf47c8e893797f4c6c7c0371d094873852f1b506
- 03 R 02b91f674092d4bae2d8a771746dc1eb82ab56491df0b785adea47c136d85eba
- 04 R 904664f628a2d48cfcc991ff3ddf3cf0022509253529e3995934a32195979f2f
- 05 L 95693380fc9ceaa76ba6385fc2cb39e4fba41e66629401514da8b9c3f02e8e90
- 06 R 8c161a637428dcb46a2c3ab9ec1f4991cfe086a019017a59599106f3257d275f
- 07 R 30d97e24f21869fb428bf0a31b67393256656a866b37d09de398351360fc141d
- 08 R ef73a1204d2b5ab4bbbe81d7f442150db8cd12d581aed710ed2f7b41446c7639
- 09 L 8e9906793947dc745d7d2b71379e158b62444c5facceff92e4cd1cba21bc10a6
- root 46b174fb544224d2d9d6963ee8e0835de2004c0b9997c974662f4b83034bbc3a