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
PCARRD-DEPARTMENT OF SCIENCE AND TECHNOLOGY Award a ₱7.2M contract to A.V CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
47ecd6f0cf5757a4c0375ca29473f5bd8b6f989b86e8e01fc032bf8607c7c8fa
Status:
Included and unchanged
Block:
#2,075 3,938 blocks after it
Position in block:
Transaction 13 of 50
Award day:
May 14, 2014 (12 yrs 6 mo ago)
Value:
₱7,234,830.55
Project:
Civil works
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 #2,075 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)PCARRD-DEPARTMENT OF SCIENCE AND TECHNOLOGY awarded it to A.V CONSTRUCTION & SUPPLY on 2014-05-14.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 47ecd6f0cf…c7c8fanow …
- 2. Block Merkle root changedstored d62ee180e4…0b8a57now …
- 3. Block #2075 hash changedstored e7a89b9f68…3e96eenow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 49 records. Each step hashes the current value together with the sibling shown.
- leaf 47ecd6f0cf5757a4c0375ca29473f5bd8b6f989b86e8e01fc032bf8607c7c8fa
- 01 L 3f05d2bfeb2793e2e16543000d740453fe03416017652763eae01b42ccb40f20
- 02 R d4388123634f83e5c13479ce7de9f6b0eb6516f13ec985d3c036a9f5480f1a19
- 03 L 63d4de9433d4c8a811fb2a9e02d5d61cf9093d241fb7e46e57f0eb4e109d6e1b
- 04 L 684e66d0748ac29f8baf654c41ba796421c61014d85e8b9a051c21a0d7579739
- 05 R 06220b183541d0103f8ae8e29c640d03884223c2ffd97d85a4957c91cb6b3a5b
- 06 R c6f9041e03c04d67aa46492871c59177c6789fe655b8ba82d79ef12affa8b6db
- root d62ee180e451f021cf356b1b45c2365a38e30cce16e6ed667c05813e980b8a57