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
BARANGAY ESPERANZA, CARMEN, SURIGAO DEL SUR Award a ₱1.8M contract to ATTARA CONSTRUCTION SERVICESBarangays
Transaction hash:
7070dcb58aa0b25fa1fe72156c64b9d5e23bfd1c1e7993250e87984ffc720dd4
Status:
Included and unchanged
Block:
#5,837 176 blocks after it
Position in block:
Transaction 4 of 20
Award day:
Apr 25, 2025 (1 yr 6 mo ago)
Value:
₱1,787,088.68
Project:
Construction of Double Barrel Box Culvert
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 #5,837 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)BARANGAY ESPERANZA, CARMEN, SURIGAO DEL SUR awarded it to ATTARA CONSTRUCTION SERVICES on 2025-04-25.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 7070dcb58a…720dd4now …
- 2. Block Merkle root changedstored 0e77260068…1314c3now …
- 3. Block #5837 hash changedstored a845c4ee80…b1038fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 19 records. Each step hashes the current value together with the sibling shown.
- leaf 7070dcb58aa0b25fa1fe72156c64b9d5e23bfd1c1e7993250e87984ffc720dd4
- 01 R 758c9a9cd74d1907ea4829a690bc426e54b79ea4541d27e5426062c4a5a5afd4
- 02 R 5aad1959979127a9d73084246273ef8d49e4e53e5430f68a9a232da1e09a2b29
- 03 L c23e723fbf5eefe7b7838eef7cc091ab2bc793130e48104e5bd36cf2c347f440
- 04 R 2e86877964df4495cfe777faf89eef44aa34618f4a8e0934009faceb4d052726
- 05 R 7fc193f1b4b731a0546d2e6d37809b5d9c45647fceadc3ab10fe8d06f6c9bda0
- root 0e77260068e18c62c1a6b9680bf2bac4f9a26fe77170b4be6bb1dd3e4e1314c3