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
PROVINCE OF CAGAYAN Award a ₱498.5K contract to MELDA MADRID HARDWARE CENTER INC.Provinces
Transaction hash:
7315eb0cdf2e7d22eb586b31e1ec9fe0804a0a805b8aec931a5ed143d3372744
Status:
Included and unchanged
Block:
#4,401 1,612 blocks after it
Position in block:
Transaction 123 of 272
Award day:
Mar 26, 2021 (5 yrs 7 mo ago)
From:
Value:
₱498,536.10
Project:
Construction Supplies/ Materials
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 #4,401 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)The award does not say which budget line pays for it.Not published
- 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)PROVINCE OF CAGAYAN awarded it to MELDA MADRID HARDWARE CENTER INC. on 2021-03-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Cagayan gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 7315eb0cdf…372744now …
- 2. Block Merkle root changedstored 2da72a75ed…497f50now …
- 3. Block #4401 hash changedstored c9855c32fd…815600now …
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 271 records. Each step hashes the current value together with the sibling shown.
- leaf 7315eb0cdf2e7d22eb586b31e1ec9fe0804a0a805b8aec931a5ed143d3372744
- 01 L 723abca02b5f51853f9d5cef2991aae081b38531a2e7b98fb48a1c03e4d3f28d
- 02 L 0e66b50d7af69a933dd4f3b9cc18c6fef9ef8ea3b72c78557d93cf53993b2eaf
- 03 R 118f593054f93c6456ba2db5356e0a9b788fefa2f4268f6709f06368fd1279ca
- 04 L 7584dbf9ce5da2b64ae0c4ad2fb820f5ee0dd17f3dc3202ba99e56c2c3e84979
- 05 L e6b730d472d4e29d8863512e217d48014e9cb6a42d94e8e31a0521f37ff4b178
- 06 L 54ab25a3792b9f2090c759459dca88016b6b0778feb23b03f2dd60573306b354
- 07 L ce4dc341cb32450f34d241d3d1ae24b274673b0e80f414cfe624e70479e7e6c3
- 08 R 2c0aa6bf17c8e52bcf400f84e1cec176de8ac1001aa47cb20b34bbcca23409de
- 09 R 71ffad59874658d7bda71701dca16142e9a2f35278fdc09b6efd6692a3dd1351
- root 2da72a75ed13cea1d6cb793ad147ebca1dc69cf6a4bd19a2e857f3d422497f50