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
CITY OF LEGAZPI, ALBAY Award a ₱902.0K contract to AMEG CONSTRUCTION AND SUPPLYCities
Transaction hash:
aec9b2fa42918e87ca10a5a59a1ec86f77f93ac6aab08e5ba9f5cd03825e71c0
Status:
Included and unchanged
Block:
#5,324 689 blocks after it
Position in block:
Transaction 196 of 288
Award day:
Nov 8, 2023 (3 yrs ago)
Value:
₱901,968.13
Project:
Furnishing of labor,materials & equipment rental
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 #5,324 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)CITY OF LEGAZPI, ALBAY awarded it to AMEG CONSTRUCTION AND SUPPLY on 2023-11-08.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 City of Legazpi gave a "unmodified" 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 aec9b2fa42…5e71c0now …
- 2. Block Merkle root changedstored f496c7ee4a…187126now …
- 3. Block #5324 hash changedstored 9ae072231e…3833c7now …
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 287 records. Each step hashes the current value together with the sibling shown.
- leaf aec9b2fa42918e87ca10a5a59a1ec86f77f93ac6aab08e5ba9f5cd03825e71c0
- 01 R b035342807cd7fa0da402135de93a78cd9acd9412997b3814d78e89fa5936e27
- 02 R 45512bdd27190d9871a9627c0916936b2e44d83e67115351c316f3e9ab071572
- 03 L 475729fb7c193a36c3ded7c43e4b3357bd162a0008e04facc9be502f1bb94baf
- 04 R 3cbdeaad763e15eb5a6af0c133c0d773ea430fff6d86cf1ffb4f6127c1903f01
- 05 R 0c15b65a3c24e85179044c5862a3730cd9c11955b750dfeab0a57cbda7af6f28
- 06 R e1f91b3753c19165d61cc19ad1f28fa3b2468c4680f574183b552cc5044e0a92
- 07 L 324e6c0090b2aab05bf7d50c8ed13cffe2659df977b1f5c6d9cabccece870647
- 08 L 0af79ab1901a72ca0fdc4f5b6500afc0a2c78ad1aee036ac56e34bbe458ef8d1
- 09 R 8e8a7aeab3661f225991a07cb531ed4471f340e9fa94de0a32d73334512aa061
- root f496c7ee4a3f67a4d88c1898d8f094a6cac2e766e946cf512b81f95aaf187126