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 - BATANGAS IV DEO Award a ₱40.5M contract to EFREN RAMIREZ CONSTRUCTION AND GENERAL SERVICES CORPORATIONNational agencies
Transaction hash:
03d50c0e6376fda2e7dccc6da61e33bbf02f6e5a038584f623648a7b661a3f2d
Status:
Included and unchanged
Block:
#4,754 1,259 blocks after it
Position in block:
Transaction 43 of 2,935
Award day:
Mar 22, 2022 (4 yrs 7 mo ago)
Value:
₱40,519,077.79
Project:
22DD0077
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 #4,754 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 2022 OO-1", 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 - BATANGAS IV DEO awarded it to EFREN RAMIREZ CONSTRUCTION AND GENERAL SERVICES CORPORATION on 2022-03-22.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22DD0077: 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 2022-06-22). 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 03d50c0e63…1a3f2dnow …
- 2. Block Merkle root changedstored 66d72ad66d…9aa047now …
- 3. Block #4754 hash changedstored a55128f2c5…82ae12now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (12 steps)
How this one record is tied to the block's Merkle root, without needing the other 2,934 records. Each step hashes the current value together with the sibling shown.
- leaf 03d50c0e6376fda2e7dccc6da61e33bbf02f6e5a038584f623648a7b661a3f2d
- 01 L 03b8cfa605d7c1fc9080c114ad22e5268d6ebc5911abab077a8bcc8841402219
- 02 L 8e0a32ab542179eca117ded085dfa97b82dba66ae94f1bd23a7348711a3fe0ba
- 03 R 127a7d3efe539edd1bac204d8dfca4a14a1b4052183e577f729a769938a22802
- 04 L 8b288d1cdbda2152fc80de3e85dec71c9228adda15cfabacf7349d6aded076ed
- 05 R c37db022a3ac5ffcb48f8449a24be3a36f2f4e7e34d4ee25e5578b8ab2ce8bdb
- 06 L 156df11391b5b9241633f30576a54ac2ad49efaab7047304109baa64d34bfb82
- 07 R 9dd172e6f953738727d21defda6f2ef200fbb17a15f561ff538d96cbbb9c552f
- 08 R b0b0a64d68cbc7e71f1b932c61583b95cd080354b3011e15dc959f91d0d44636
- 09 R 538019436a0b9f42270b20bd5fbca22f6282a1216a33d9256eaa37e562e26a41
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- 12 R f5ae93bd19d5163a86ab3809e5438db9fac5c1480b3570632518c979ef693bc0
- root 66d72ad66d493aa626c0806eb5f72de9588e7e3d5129bdaa9edbe51a709aa047