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
PROVINCE OF BULACAN Award a ₱4.6M contract to MICHARIAN BUILDERS AND TRADINGProvinces
Transaction hash:
2bab3eea9694ea2834796d2fd2f183f04a8b57b290b82afa6a5281a6cc4cd255
Status:
Included and unchanged
Block:
#3,535 2,478 blocks after it
Position in block:
Transaction 37 of 252
Award day:
Sep 17, 2018 (8 yrs 1 mo ago)
From:
Value:
₱4,620,030.41
Project:
PEO-081718-204
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 #3,535 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)PROVINCE OF BULACAN awarded it to MICHARIAN BUILDERS AND TRADING on 2018-09-17.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 Bulacan 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 2bab3eea96…4cd255now …
- 2. Block Merkle root changedstored 0c20d747db…d11899now …
- 3. Block #3535 hash changedstored 572f7b1e4b…15b9d2now …
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 251 records. Each step hashes the current value together with the sibling shown.
- leaf 2bab3eea9694ea2834796d2fd2f183f04a8b57b290b82afa6a5281a6cc4cd255
- 01 L 2b179eed1be1477beffcdf12cc708dab48c669cf1fd948300d9021231fe38115
- 02 R ae2e3315ec063770fac334790dd144d965632955bbac361b757850b4450b06f8
- 03 L 6a872369ef10ec29e33dcf35fd4d893f137e284bd92252b45f627a1cca181612
- 04 R aa2b01421f5e02e663a1cbcf740dc2a1d9d117d7d00baec4aef55fc06140047b
- 05 R 275e1a1c163a6521c7ae8e8b62150f4a956b6e2173b3b3702b8aa81c572220dd
- 06 L 18867ca1878223ab1a5da93da4f39dbb165d4fcb78e654e504a35ce3f2148e0b
- 07 R 6ae570c36db75cb255e90288536bfef495449e0c75f419ff054c5aaa0b4fad5b
- 08 R 2715bf73f95485774500fec9e6e6a30e9f427ac1a009297ea771075d6c922c3f
- root 0c20d747dbbf4b18e8db550bfdf994ecf2f113dcf258fbb4de45b7f4bbd11899