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
CITY OF BATANGAS, BATANGAS Award a ₱3.0M contract to MAC BUILDERS CIVIL ENGINEERING CONSTRUCTIONCities
Transaction hash:
3bf8aa01739efdfd4422e739579016ee0fb0603202dc68b9f0cc615904926f8c
Status:
Included and unchanged
Block:
#5,292 721 blocks after it
Position in block:
Transaction 49 of 216
Award day:
Oct 3, 2023 (3 yrs 1 mo ago)
Value:
₱2,993,500.00
Project:
2023-060
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 #5,292 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)CITY OF BATANGAS, BATANGAS awarded it to MAC BUILDERS CIVIL ENGINEERING CONSTRUCTION on 2023-10-03.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 Batangas City gave a "unmodified" 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 3bf8aa0173…926f8cnow …
- 2. Block Merkle root changedstored dd5a393552…9f1ffanow …
- 3. Block #5292 hash changedstored 5049393bb3…6d907cnow …
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 215 records. Each step hashes the current value together with the sibling shown.
- leaf 3bf8aa01739efdfd4422e739579016ee0fb0603202dc68b9f0cc615904926f8c
- 01 L 3ac9de0effb2494e7ed2d80d982d9ca8601e27ee8472b490f77e0dd183e6f884
- 02 R 9a9370fdfce0c5fe77ccddbbdec7bd4e54a01dcfb81e7294421fef0fd4ba7a70
- 03 R c2e2a9cda7d6e3ced6ae3b6249b4d06c874c06d0abbee2a495762129898c732a
- 04 R 0bdda24ea3e28ed17c43715393e9ccbfaed852da271fd412ab5f3a35609860fe
- 05 L 39ee7397f7653af16a97cf067c2bebfbf18ab78b4fdcf628e3e77c7aa6e4d740
- 06 L ca23ffca15e3b65d51b612ebfd3d6c551f1ab08bd743a88a448e59a8d4a500bc
- 07 R c948c58b3cd2f32dd00001381f3747dfe5d8f8124dab2c4edb0c584b9f26831f
- 08 R 01b058d94c28b4a45cc3176b009079d1af010ca12fccf914952076ff03da4f5b
- root dd5a393552e48f16b14a55ba87dc397cbedad778549cbdec97d1af0fa19f1ffa