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 - ZAMBOANGA DEL NORT Award a ₱4.9M contract to A.I. YU BUILDERS & ENTERPRISESNational agencies
Transaction hash:
f0033a1add360c00a9de7a21de7b1e2625ff57cf00f4cf8c7b7225769450f17c
Status:
Included and unchanged
Block:
#5,049 964 blocks after it
Position in block:
Transaction 641 of 687
Award day:
Jan 27, 2023 (3 yrs 9 mo ago)
Value:
₱4,925,241.81
Project:
23JC0005
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 #5,049 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 - ZAMBOANGA DEL NORT awarded it to A.I. YU BUILDERS & ENTERPRISES on 2023-01-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23JC0005: 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 2024-03-20). 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 f0033a1add…50f17cnow …
- 2. Block Merkle root changedstored 32183ab84e…a31ab9now …
- 3. Block #5049 hash changedstored c04bcfa86a…9cc01fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 686 records. Each step hashes the current value together with the sibling shown.
- leaf f0033a1add360c00a9de7a21de7b1e2625ff57cf00f4cf8c7b7225769450f17c
- 01 L efd26bf981d9a1be57bb3164dad615169fff7ac2f759e805898b5e46a3593df0
- 02 R 313fabf218ad212e9a72955b5752cd485c8f130acd96949399eaba34420e7377
- 03 R f93e315652c27e86f5a241b343b7d87881194de3f651df8eadd0e2e0b9ecce96
- 04 R ebe0e836252460f4385a5fbbc287195ac1a1a52b6129908fc4798f7db3ef5f2a
- 05 R 051d8569190aa9220806c0e2e34278641506891f641fcf9fb2c7f634276f0e24
- 06 R c8480390de2b57e4366fed0b783fbd4b935efb94e532bcc4e6d8c7a1c7cebe3f
- 07 R ce5feb01a0cf0e17f63ecbce36f8843841b395e41898247d314f36353dd4e52d
- 08 L c60d17d7ba5266bb4d385ff16eb3ef8ba2d31d04e6b57968117346d1826cfc22
- 09 R bb9db5679620ec209cf807181e836365fb98d58a8dd979d7a26ce5c97ef74991
- 10 L 00c3d741cec01891256a7d72e80590d2369bf4cf277c8fb179422e2b34b4ccaf
- root 32183ab84e11a1c097e8c8118137ca1a3a9005df1a2aaf018e7fb32232a31ab9