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 AGUSAN DEL NORTE Award a ₱685.6K contract to JY BONTILAO CONSTRUCTION AND ENTERPRISESNational agencies
Transaction hash:
ef6df66fe8a3d43c01f4ca5407d07692a4ba54aa1fd746b9262cf25a8d14b65b
Status:
Included and unchanged
Block:
#4,547 1,466 blocks after it
Position in block:
Transaction 247 of 265
Award day:
Aug 24, 2021 (5 yrs 2 mo ago)
Value:
₱685,633.65
Project:
REPAIR OF SCHOOL BUILDING
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 #4,547 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 AGUSAN DEL NORTE awarded it to JY BONTILAO CONSTRUCTION AND ENTERPRISES on 2021-08-24.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 ef6df66fe8…14b65bnow …
- 2. Block Merkle root changedstored 755cbad556…46d8banow …
- 3. Block #4547 hash changedstored 1284309cef…3e3763now …
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 264 records. Each step hashes the current value together with the sibling shown.
- leaf ef6df66fe8a3d43c01f4ca5407d07692a4ba54aa1fd746b9262cf25a8d14b65b
- 01 L ef58a3f8df8b56c5a4c11853547751d64f75fceefdbffe828f2b592959d8ea5c
- 02 L a2f610b92b0cacbd621bd11292c12304910f2d4c889b060a99f6d8b13ac3c2b9
- 03 L 5fa30224021d05490a37603f5b5a1b705936dc75f78a5d9c4042978cd8c95a29
- 04 R a326978654e808158dd454a202d78f6f7f759040f95c2bbe7784cc612e5da797
- 05 L 4731889fa23272b0bc6617ea920cc570a4888dd0e6e2bf7bf65f9581b2ca012b
- 06 L f8bf6fb4fa65038d0dd6877572a606d1754ce976782d71b4c45ba479f4826dfc
- 07 L 783f3b824568532d2a5cdf7715f42eb6ed7c834d9094063da04ec57f2a31e977
- 08 L 32695a6eaa5d91cbbdcdf31df1b8ebfd44788a0ef54e6c8dd07090ee57731c5e
- 09 R a2a8d9a7a5f2f2fd9d5e67a4b0d204a67472ce2632f923b36bc654e0bfb0d392
- root 755cbad556c49c943846c5df7e57e4734d3e15e284d2fe2a2e3010020246d8ba