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 - NORTHERN SAMAR 1ST Award a ₱5.7M contract to FOUR JJ CONSTRUCTIONNational agencies
Transaction hash:
d8b6c18f8cf8cdb49d9458ee105b42b3a7c20a604c2f5be3c698b9b1bf5aa37d
Status:
Included and unchanged
Block:
#5,014 999 blocks after it
Position in block:
Transaction 338 of 414
Award day:
Dec 22, 2022 (3 yrs 10 mo ago)
Value:
₱5,694,576.35
Project:
22IH0129
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 #5,014 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 2022 DepEd BEFF", i.e. the FY2022 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 - NORTHERN SAMAR 1ST awarded it to FOUR JJ CONSTRUCTION on 2022-12-22.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22IH0129: 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 2024-02-29). 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 d8b6c18f8c…5aa37dnow …
- 2. Block Merkle root changedstored a1876eed4f…5c4ae0now …
- 3. Block #5014 hash changedstored 663c9778f1…ef2bb2now …
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 413 records. Each step hashes the current value together with the sibling shown.
- leaf d8b6c18f8cf8cdb49d9458ee105b42b3a7c20a604c2f5be3c698b9b1bf5aa37d
- 01 R d98e15e5a2a353c2560e55a52e501c2ccae29083408298013c12ae1bc2301e34
- 02 L 1305e3b3e5c85aef258b7261691d0d0621c0490d6bdf68b1163af1ef9d5e6ed2
- 03 R ee807ad1f40957a4b081d1fc2690696eab27f1bfce48c2d51b468888b12be55c
- 04 R 55d028007b208adebd5b69331d00de4f532c228730c7faf89b44e921c7f7d934
- 05 L 619bc82d10f6cd8cd5bda799d326b57b979432d5810695e6b1ccfc33d5e8375b
- 06 R 4075a462b6404297dc845d60132ced496780e5f95d410e26e9aa670b58c1692c
- 07 L 749c883a8f816765cb8f3a20d7c645347959946f2b2d1493517ceafb9e4e9c30
- 08 R a79f51ca3c424c555f60a99f0c697cc9ee4624e924db86c66ea525c094bcb499
- 09 L 36bfd617ffce51e4bc16b664db590b661508cabbce53293c9586281f6851fce4
- root a1876eed4f69c76bb3dee36fd8fd32c1055cd98100e2b4aa7bfa2132b55c4ae0