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
F. G. CALDERON HIGH SCHOOL Award a ₱98.0K contract to SHERF BUILDERS CORPORATIONNational agencies
Transaction hash:
b178b71d0e2f8fd4396c8a497dee4ff3c47c39f465e0db0b72cfb3cd8c6d9bb3
Status:
Included and unchanged
Block:
#4,742 1,271 blocks after it
Position in block:
Transaction 370 of 551
Award day:
Mar 10, 2022 (4 yrs 8 mo ago)
Value:
₱97,968.80
Project:
INSTALLATION OF HANDWASH ROOFING
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 #4,742 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)F. G. CALDERON HIGH SCHOOL awarded it to SHERF BUILDERS CORPORATION on 2022-03-10.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 b178b71d0e…6d9bb3now …
- 2. Block Merkle root changedstored 7a43484e33…a6ded1now …
- 3. Block #4742 hash changedstored a65692553d…b1df44now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 550 records. Each step hashes the current value together with the sibling shown.
- leaf b178b71d0e2f8fd4396c8a497dee4ff3c47c39f465e0db0b72cfb3cd8c6d9bb3
- 01 R b19ddd8b5986fb8aebd17bc2d2c7e474ad4a68fe18796f5abb54c345e12cf0f6
- 02 L ea1c1ad5e93a15e54c47215522c0cc0ff63c3c7286a047c8e7739bbfdbda429b
- 03 R 1862dc6462257e0f0e7716c4b374647b89e266fdbf17cbb74ed07cc37d942c34
- 04 R 026218d07ff833c35ee65359393814bfa85087b70523e0e832b20ae95f8f0c95
- 05 L 9a98dd8d59a69282d71392c7e898374ec260092e26fb4de82a81d8d27ef8c68c
- 06 L 317b3fd4a9a808f272875c86901fcb14552b5f48dd5a38efc8b859ce272d5cd1
- 07 L fed9fecd04e558c068697ea28e7689c702a34bb1f82327dd8cc1739def68d094
- 08 R d8ce4ca0320f54af816cd7405dd398ee1f7273057acf840f90c94c2251117a6e
- 09 L 606806657decfdb1d6aadc0aa9e6c9d00804b39b7d5941f489ff20f373441168
- 10 R 382a411762afc40a6e35f41c27cf32ee9e718e41bb912084c181d505d5ba514c
- root 7a43484e33b9d52e38187917bc5d343881f0eb63a396fc956048d5d331a6ded1