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 SAN NICOLAS, BATANGAS Award a ₱149.9K contract to MGS BUILDERS AND GENERAL CONTRACTORMunicipalities
Transaction hash:
855d7c7fb4fc97f8009aba390f7a6f398d462a12d9032fc0a72b8e0ecf5b4296
Status:
Included and unchanged
Block:
#2,023 3,990 blocks after it
Position in block:
Transaction 40 of 76
Award day:
Mar 13, 2014 (12 yrs 8 mo ago)
Value:
₱149,900.00
Project:
Improvement of Mini Wraft
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 #2,023 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 SAN NICOLAS, BATANGAS awarded it to MGS BUILDERS AND GENERAL CONTRACTOR on 2014-03-13.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 San Nicolas gave a "not stated" 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 855d7c7fb4…5b4296now …
- 2. Block Merkle root changedstored e75045ce6e…e0e30fnow …
- 3. Block #2023 hash changedstored a6d5c3d37d…3fd5c8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 75 records. Each step hashes the current value together with the sibling shown.
- leaf 855d7c7fb4fc97f8009aba390f7a6f398d462a12d9032fc0a72b8e0ecf5b4296
- 01 R 8c4640f0628ec22500da0e7f6a487fb3f7b83c7f3e61d6197ad207ead2024658
- 02 R 955b8b47ab401186f5a5ae327252fd7e6f4a3bd777df858ebaad891172288a83
- 03 R fcc8a6463c383738b9e3183d1d7ce3904e6e598c6b69a038da4b4a7d67652a57
- 04 L ab6039832d98988bee33b8b41c6adbf3802c1673cc6b51466e435f29df4005e6
- 05 R 56e17b480c5e2c012aca6d4c62e09e3112ce7f8f95d64241f0e6406915ccf371
- 06 L 611b2c2066c3ca558c7121b26a3371efc6fb07f04a5f3a6869902069303bff16
- 07 R 821e501e08a3f5a3a89aba8d893ebb98d2cf1b33ba1db5dd8ad8051191fa0588
- root e75045ce6e1c68f24d56bfcd4b2e7d28e65dcb856beb1822675f012e41e0e30f