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 - EASTERN SAMAR DEO Award a ₱9.7M contract to YFL BUILDERSNational agencies
Transaction hash:
413bca6d7cbdd0af06992c5ac1eb4fa918b3116841c5afa7c064f559fae11d72
Status:
Included and unchanged
Block:
#4,577 1,436 blocks after it
Position in block:
Transaction 70 of 249
Award day:
Sep 23, 2021 (5 yrs 1 mo ago)
To:
Value:
₱9,653,383.45
Project:
21IB0091 - Construction of River Control Structure
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 #4,577 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 OO-2", 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 - EASTERN SAMAR DEO awarded it to YFL BUILDERS on 2021-09-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21IB0091: 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 2022-02-11). 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 413bca6d7c…e11d72now …
- 2. Block Merkle root changedstored 488964aebc…8c354bnow …
- 3. Block #4577 hash changedstored fc1e84fc2f…7bc232now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 248 records. Each step hashes the current value together with the sibling shown.
- leaf 413bca6d7cbdd0af06992c5ac1eb4fa918b3116841c5afa7c064f559fae11d72
- 01 R 428ddd106d538ad69506f9ef56405816aa84eb83072b9181693470d3e1db684a
- 02 L 61bcfb376bbdf1f8a4d0bfe6b1230a58ee223c0f99f93654317c83f2a9755474
- 03 L fb2823435089179580d8487952db4667020d0e1d89a2c8e2403b81d37d6bc5e3
- 04 R fd99d35daf34e486a879b4f7213f31a74535426cc3894f65e10bd90f0da7cee9
- 05 R d069f2a677a26233549a5e8e3c73820b0c2536a3b1b150a3cb06071b4377ad84
- 06 R 37d20e6f039cd5f8471f1b6643b49044034c5334f14e316c8744a958c0ea885c
- 07 L c4eb27fc4578a931420a199e29290f0a0f6a24c1f2adc8153109cc671a138ff1
- 08 R e350182aa94d1400d1e7fc29d7f6913054d375c38425f3be2866174d5c2edbe5
- root 488964aebc7847b6133464c8b90cf3d5e8e7d96c0c453a1bdd083902798c354b