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 V Award a ₱46.6M contract to CENTERWAYS CONSTRUCTION AND DEVELOPMENT INC.National agencies
Transaction hash:
dce69669d96caac95754e2b22b13202fed6f613fa2f75f04b37dbdb4dc0f2ec3
Status:
Included and unchanged
Block:
#5,087 926 blocks after it
Position in block:
Transaction 311 of 353
Award day:
Mar 8, 2023 (3 yrs 8 mo ago)
Value:
₱46,561,055.80
Project:
23F00162
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 #5,087 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 2023 CSSP", i.e. the FY2023 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 V awarded it to CENTERWAYS CONSTRUCTION AND DEVELOPMENT INC. on 2023-03-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23F00162: 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 2023-12-22). 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 dce69669d9…0f2ec3now …
- 2. Block Merkle root changedstored f64728d96d…a44627now …
- 3. Block #5087 hash changedstored 3405dbcf06…66d62dnow …
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 352 records. Each step hashes the current value together with the sibling shown.
- leaf dce69669d96caac95754e2b22b13202fed6f613fa2f75f04b37dbdb4dc0f2ec3
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- 02 L aefa43d6c895c143f0057bbb3d6f546df62a86ac1182fa24888b09d570e432a9
- 03 L cf6f23905311e0d6ff80154ec3e5477360a240484c96df2857975a575598b0a4
- 04 R 8d15e8ae282de9be712b3dd06a8fdd93d52f21a947b120361be5e680180d0de9
- 05 L 114ae1e85655b4e95cf7c9c2220eee8e0a3fca84f7e1b62731ad14765c0b880e
- 06 L 67e192bb75a76b73b3bcf8aad9d882d05a80aa4c40117fa81b6230721456c1b3
- 07 R 7f9814c23b4d60ad078ef9281cc37e3a42ecc8c515c26e7a37e554d1e46b3d41
- 08 R 77fea5e180a1a36104bdb8a25becb12a19ed339d6656c9ab635e00c0a27a10ab
- 09 L 9b330c196e1eeb30372ffa4cc6fa1b40af517f1aabd06a101fcf25cb19f43266
- root f64728d96d24196e6980aac3896e85b36299c204276777b87c96d2e1e9a44627