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
MUNICIPALITY OF GUIPOS, ZAMBOANGA DEL SUR Award a ₱584.8K contract to OPTIMA BUILDERS CORPORATIONMunicipalities
Transaction hash:
9b2bca9cbb096ca5c19279cdbd9b447b09539137b466361294d451378c6103e3
Status:
Included and unchanged
Block:
#2,842 3,171 blocks after it
Position in block:
Transaction 149 of 254
Award day:
Sep 5, 2016 (10 yrs 2 mo ago)
Value:
₱584,759.74
Project:
Dalapan Communal Irrigation Project
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 #2,842 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)MUNICIPALITY OF GUIPOS, ZAMBOANGA DEL SUR awarded it to OPTIMA BUILDERS CORPORATION on 2016-09-05.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 Guipos 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 9b2bca9cbb…6103e3now …
- 2. Block Merkle root changedstored 3e3843f1ad…6f5f2bnow …
- 3. Block #2842 hash changedstored 6dfa1ee6d1…6c3351now …
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 253 records. Each step hashes the current value together with the sibling shown.
- leaf 9b2bca9cbb096ca5c19279cdbd9b447b09539137b466361294d451378c6103e3
- 01 L 99675e4155f3ec4bbee17da3ec2021407280db73961fbe00b5a2578a1c140be1
- 02 R 2dcb7346d5242d5f16f622e6c65db305a93e1ebc361eeee810a86959c6f7ca29
- 03 L b102ab04446912bfe6582d29368791d8e585937c38ef804cf71cee74692f03bd
- 04 R b6aea8d8020e588f721868bd49d7624acdf303907c313ab83a3bbf62f7aec8c9
- 05 L 2532469c44cce8adb9971ac69c4bbe44cfe91a727985ec4c0143527bafa6007f
- 06 R e1423dce62f6b716d7ea44af94bcf4cfcc67fce05b1b42a107c776339ec8fad7
- 07 R 036c3243036de9111f1ebe45b7f7c0c5b487b84f00fc6f530cb42f8d512334eb
- 08 L 90cae7d3c945548fa7749a90385c04c2cd5fadc0bc7b0ccdf64d5f5887f7f44d
- root 3e3843f1ad0490335d3cfc30b2d6b5186e7f743120baa26087428b70ee6f5f2b