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 SAMAL, BATAAN Award a ₱1.2M contract to VYKIM FORMWORKS AND CONSTRUCTION COMPANYMunicipalities
Transaction hash:
3da44ef0e2436c37b402f628fe95a50411b94b37fc95978563fed6b880fd8e98
Status:
Included and unchanged
Block:
#4,031 1,982 blocks after it
Position in block:
Transaction 62 of 249
Award day:
Feb 21, 2020 (6 yrs 8 mo ago)
Value:
₱1,187,189.06
Project:
Rehabilitation of Sitio Looban Road at Palili
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 #4,031 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 SAMAL, BATAAN awarded it to VYKIM FORMWORKS AND CONSTRUCTION COMPANY on 2020-02-21.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 Samal 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 3da44ef0e2…fd8e98now …
- 2. Block Merkle root changedstored 1208412f68…28dd1enow …
- 3. Block #4031 hash changedstored 90e0525345…697eebnow …
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 3da44ef0e2436c37b402f628fe95a50411b94b37fc95978563fed6b880fd8e98
- 01 R 3e143e0f4481d73b73011a1b4d98d6757314ffb945eadcb17ed421a1802b698b
- 02 L b548f69321dfa4b873327970e7bd12493092b258fb4a9d12be3547b110a6ea4d
- 03 L 143d3baf1a6deb5713ada649fa127092dfcf5a82bf8db4c0f1dae96f51b4cc2e
- 04 L b401baca2b334b4e25d849eb21d4405c21837a7f04c0f778a2e7b23eda77ff26
- 05 L d02044b0ecdb0381b14b5a9da360ec0f01d84b9707aa6d8e067c7d98233f7a00
- 06 L dcde53c4fdf0169cc1260eebc86f8fe20769bb495c3d27cd78e6583519d2c9b1
- 07 R 3ac5d9f1a86d45b18cb84b76d38842d04ca0baeb7e293efa17a7b55263071258
- 08 R d658f3fbf9ab467018455bd754e23edcf663c58d182ce0fbfd5d0c65525b16a9
- root 1208412f68d6b5a8e8fe19e5d5929303fc819e2c04bad193b4e86043c628dd1e