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
ADVANCED SCIENCE AND TECHNOLOGY INSTITUTE Award a ₱78.4K contract to CAGE CONSTRUCTION COMPANYNational agencies
Transaction hash:
da99de85746d5fd034bcdb7673831c670569ae49e78986c695d9ad212f8d5ac4
Status:
Included and unchanged
Block:
#845 5,168 blocks after it
Position in block:
Transaction 10 of 11
Award day:
Apr 19, 2010 (16 yrs 6 mo ago)
Value:
₱78,400.00
Project:
Construction of additional/extension roof and canopy
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 #845 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)ADVANCED SCIENCE AND TECHNOLOGY INSTITUTE awarded it to CAGE CONSTRUCTION COMPANY on 2010-04-19.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 da99de8574…8d5ac4now …
- 2. Block Merkle root changedstored ca3b709988…c9e181now …
- 3. Block #845 hash changedstored d9dfda4b3f…0dfb90now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 10 records. Each step hashes the current value together with the sibling shown.
- leaf da99de85746d5fd034bcdb7673831c670569ae49e78986c695d9ad212f8d5ac4
- 01 R da99de85746d5fd034bcdb7673831c670569ae49e78986c695d9ad212f8d5ac4
- 02 L b8361c10c849c2ad17e38233bb826283457878b56324f8a7750b5817e9d04796
- 03 R ab41cbc5c189c70394c3d19c6f9f918b0854f5643fad3f22ed5a3d7752dc83b8
- 04 L 458b22f3b8906e530f4d134a0b1bf2c1467f8c0fb8f4974147de19a8a10c3057
- root ca3b709988deeabadc123dfcbccc60c447687f26ec6231f9ed2cc9dbe6c9e181