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
DEPARTMENT OF EDUCATION - DIVISION OF EL SALVADOR CITY Award a ₱5.3M contract to ABRAHAMBM CONSTRUCTIONNational agencies
Transaction hash:
ead67f02b3a28bd120bb0dbe69d360b61d8474feaa36f2432144227f0c1957e2
Status:
Included and unchanged
Block:
#4,913 1,100 blocks after it
Position in block:
Transaction 272 of 297
Award day:
Sep 9, 2022 (4 yrs 2 mo ago)
Value:
₱5,313,487.54
Project:
School Bldg Pedro Sa Baculio Elementary School
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 #4,913 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)DEPARTMENT OF EDUCATION - DIVISION OF EL SALVADOR CITY awarded it to ABRAHAMBM CONSTRUCTION on 2022-09-09.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 ead67f02b3…1957e2now …
- 2. Block Merkle root changedstored f70e7f356a…8d8ec1now …
- 3. Block #4913 hash changedstored 9ed3114d5a…b0d41cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 296 records. Each step hashes the current value together with the sibling shown.
- leaf ead67f02b3a28bd120bb0dbe69d360b61d8474feaa36f2432144227f0c1957e2
- 01 R eae0643acf598c041925afb68e701f9608beda6ee42f3259e4345e9c48e728b2
- 02 R bcf0511127482a452d8b7470a7c1fd9498d249f2aaeda97b82e11e5cb7a93486
- 03 R 4d51d79be940c1a677aec0506ce761978617d6691f817b737d5274bd8384bb0f
- 04 R ff0a9f3be3dd1d80a906d1b1138fa02a3fcd8d0992d9ed068dc2e7b8590e727a
- 05 L 179f18f72d10e4154d2e28b80356a796062ae4d5d310176aeaa0ee9c39f6479c
- 06 R bb813bf0f5bf27e4c742126644cc65f5bacd01abff88bb3875cebd512572324a
- 07 R 958d4412bad28edd74c2ba19ca454665e1257b4773979ed04f8ad2d587caedf2
- 08 R 681424c93a2f9099ac5ef3c21912b5badaa9fd247fd2f5744ad30d7fc7554885
- 09 L 9ed914de777e5f6296ef0784dd4159424525bb589683a75a7a5b102c16c95672
- root f70e7f356a1e539c333f4668cecb8bb718cf6f0e4e3cc98561a15dad0d8d8ec1