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 SAMAL, BATAAN Award a ₱20.0M contract to AS MACHA CONSTRUCTION AND TRADINGMunicipalities
Transaction hash:
7503e0994db20ffdfa5a930da70879c68f8dd1a548b6e5b722bc29a62a4ba3fc
Status:
Included and unchanged
Block:
#4,388 1,625 blocks after it
Position in block:
Transaction 105 of 224
Award day:
Mar 12, 2021 (5 yrs 8 mo ago)
Value:
₱19,976,884.69
Project:
Const'n of Twenty Housing Units at Sta. Catalina
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 #4,388 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 SAMAL, BATAAN awarded it to AS MACHA CONSTRUCTION AND TRADING on 2021-03-12.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 Samal 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 7503e0994d…4ba3fcnow …
- 2. Block Merkle root changedstored c52f4dc981…6aac71now …
- 3. Block #4388 hash changedstored e69478615f…084642now …
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 223 records. Each step hashes the current value together with the sibling shown.
- leaf 7503e0994db20ffdfa5a930da70879c68f8dd1a548b6e5b722bc29a62a4ba3fc
- 01 L 74cc363f6ba3a32fd65865de64376ff0704ba3c982d493a19a3cb0662b079097
- 02 R 9c3f090233fe01467749b1a5856ac5d5de185bf79577f82ad90efcabde293660
- 03 R 6f4a2409967bddb3f8d3f7e3e9e8332fbe33ebabc3fae9868172fbf8ab8ed9b7
- 04 L 8d34599e0ccf87f89df8184d03363753ad85ab7c80d54575648d6528d767e2f8
- 05 R ceef29e6a316c61de4d8ed1b988b69f8213689c82a066cd31e64935d1a629476
- 06 L dc4b6877668005425e2af096329e57a8bea8d27b7cca38bcd2db15cdd3488b0c
- 07 L 0d520e1cdcde4dde0e1b6c1f4cd6238f64d455940fc205eae917d2347d6d736a
- 08 R b4c4624edba1743558f8440b88eeb20cf21a0281fb6ee24efe1a250cfbc998dd
- root c52f4dc981bf28a98f7b3c01d1de34d23caca005dd565974a7108691296aac71