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 III Award a ₱186.5M contract to PREMIUM MEGASTRUCTURES INC.National agencies
Transaction hash:
caa85eca7a0ef9e6e6091e5f00473d6948c5755bdf8d277aae3e5af44fc35d5c
Status:
Included and unchanged
Block:
#4,462 1,551 blocks after it
Position in block:
Transaction 227 of 292
Award day:
May 28, 2021 (5 yrs 5 mo ago)
Value:
₱186,503,207.81
Project:
21C00063
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 #4,462 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 2021 CSSP", i.e. the FY2021 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 III awarded it to PREMIUM MEGASTRUCTURES INC. on 2021-05-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21C00063: 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 2024-12-18). 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 caa85eca7a…c35d5cnow …
- 2. Block Merkle root changedstored 06ae798e1d…4ba94anow …
- 3. Block #4462 hash changedstored 58f6e6260e…14a322now …
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 291 records. Each step hashes the current value together with the sibling shown.
- leaf caa85eca7a0ef9e6e6091e5f00473d6948c5755bdf8d277aae3e5af44fc35d5c
- 01 L c8bea22a48168261c657c7add5ab7e1aec5932a820f7674fcb68eed9aeb24ae3
- 02 L 475de8ce83a8d1a5757229f81b3001fbc3314fa4221849af11a186e9f386c1be
- 03 R 792a5d031afc3f8686745ea7a5fa366b86d870f60ebe0a601f88ab020716e802
- 04 R 8f70a138d4522a22cb4a32fe1a9637ab955139ff7ad99943444218a512185236
- 05 R c0f22a91ae8c4a7f3ea230618ed32c377f2994e315ae6b82d302f242969f49d1
- 06 L a3fd662b0e2ef88bd6d34d8b408d83c0b415de23d5e7de231bb1671bea45e0a1
- 07 L a1db9197cb3589f000aa88175c74585cdeeeedebbb73027d9dcc87ac28376163
- 08 L ae5dab38852129c23cd84c1a3970d009d1c9117e6481991ef138a314c3117002
- 09 R dd9e21ffcb8cae3feca40587982caaef1334036ccc11ccf2b8840b4537de99f5
- root 06ae798e1dbe0245ccaa7ddf8d31b3a744d60d3d95913a79a356b4282f4ba94a