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 ALCALA, CAGAYAN Award a ₱199.9K contract to MARTHA CONSTRUCTIONMunicipalities
Transaction hash:
a0bc1b4b9f869dc37cb484467daf177bf3dd019dd2d9a719d51f3a7c3a57e7cb
Status:
Included and unchanged
Block:
#4,256 1,757 blocks after it
Position in block:
Transaction 74 of 140
Award day:
Oct 20, 2020 (6 yrs ago)
Value:
₱199,886.18
Project:
Concreting of Barangay Road
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 #4,256 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 ALCALA, CAGAYAN awarded it to MARTHA CONSTRUCTION on 2020-10-20.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 Alcala gave a "qualified" 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 a0bc1b4b9f…57e7cbnow …
- 2. Block Merkle root changedstored 852d3bf24e…171b59now …
- 3. Block #4256 hash changedstored 0af2f5422e…43089cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 139 records. Each step hashes the current value together with the sibling shown.
- leaf a0bc1b4b9f869dc37cb484467daf177bf3dd019dd2d9a719d51f3a7c3a57e7cb
- 01 R a1dd2cc696b57e1a79d859eef4a5b43b2a4f784ea90680d63f5031744566cea0
- 02 L aac56a5cdfb6da289c74aacea97e997c86e250f521280946a384a35ea1c3e01b
- 03 R f1fe772e6bfc488d1bf1cc87e5d6e10377458f75dfb8a1325ff4e0dff8c9dd75
- 04 L d86e12a0ceb9d49be79b7a2995f6b7c89792d51d5005cc78b4106e647a04502c
- 05 R b31d0f23ced68f7d7cebee8ae25c1c78076f20c2c1733d58d7206ca2f62c41f6
- 06 R e559d36ac273faacdd91f17425a523444159a45aa173dbbdffe1b8cc7571c6c9
- 07 L b88eec9ab719daad092bc74cb116fb009a8ee7e359fd4d1589eb92b13365b696
- 08 R 1bc611c0241bb18216a1b245db4630beb9f8a8fd84ff47a1264c62a077005e48
- root 852d3bf24e1e0399c0025437c042b880b754daa0554ebf754685ab8291171b59