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 XII - COTAB Award a ₱2.5M contract to KDP CONSTRUCTIONNational agencies
Transaction hash:
621f4e09de7ab44b2467d60748644ff896b74855011880e6350f76d2178aae16
Status:
Included and unchanged
Block:
#4,015 1,998 blocks after it
Position in block:
Transaction 143 of 404
Award day:
Feb 4, 2020 (6 yrs 9 mo ago)
Value:
₱2,473,200.60
Project:
Contract ID 20MA0001
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 #4,015 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 2020 LP", i.e. the FY2020 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 - REGION XII - COTAB awarded it to KDP CONSTRUCTION on 2020-02-04.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20MA0001: 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 2020-08-02). 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 621f4e09de…8aae16now …
- 2. Block Merkle root changedstored afeb252245…7c556cnow …
- 3. Block #4015 hash changedstored a4b18bac05…8a2934now …
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 403 records. Each step hashes the current value together with the sibling shown.
- leaf 621f4e09de7ab44b2467d60748644ff896b74855011880e6350f76d2178aae16
- 01 L 61e4b5cdd46afaf54fd768f1c7c1654449d69d830dd6db785226727bb4aa3120
- 02 L 12e316589da943918348505a43e4e518e7e3ebf922afcee1d1e5968fec663e1b
- 03 L e59f59ba24ec190824a493f9f0d9cfbd750ca93e19cf4a0a026ea564424089c9
- 04 L 7e90971c6d13ce260215d7797c33e4cc9561d5eec1a4bc44432fcb8e2def62bf
- 05 R 3b309903b7aa645f67de7fa6ddfa902806f05d6e7cc63d2ee6fae508dbbe5db3
- 06 R 5898919ec1dbf5d684329c440a9c874ac125ba317962f0a950f6bc388c963bca
- 07 R 9532eb3e827570ad28918a17c3b50e14676c2f6229b880ad9000c7a0a6b75441
- 08 L 7841fbf31a99efbbabafd81be5631cf002220fc0e4f9398dfefad4b526a579d7
- 09 R 7009ee7f68a3e15d109a293c6edbe7cdfc88208b1e9adca32f0ef2a632350211
- root afeb25224564db122356b30660d5eb071f599dadaab342acbdf473c8157c556c