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 EASTERN SAMAR Award a ₱1.8M contract to TUBIGAN BUILDERSNational agencies
Transaction hash:
249d4e519ee5ece1ec5626ba3b7d54d17c92824b40cf5d3f8fbfe79c266cecc3
Status:
Included and unchanged
Block:
#4,564 1,449 blocks after it
Position in block:
Transaction 21 of 174
Award day:
Sep 10, 2021 (5 yrs 2 mo ago)
Value:
₱1,750,837.93
Project:
REPAIR/REHAB OF CLASSROOMS LOT 4
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 #4,564 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 EASTERN SAMAR awarded it to TUBIGAN BUILDERS on 2021-09-10.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 249d4e519e…6cecc3now …
- 2. Block Merkle root changedstored fcfa0605f2…eda973now …
- 3. Block #4564 hash changedstored 2208cc5495…46c803now …
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 173 records. Each step hashes the current value together with the sibling shown.
- leaf 249d4e519ee5ece1ec5626ba3b7d54d17c92824b40cf5d3f8fbfe79c266cecc3
- 01 L 20d3269081771b538e68163eb1e11b1e31497d7f58c4b899621b66bfd22d70cb
- 02 R 7dc738a458c1f9ee9226842bd504148068be1725c19415a28350e553c294e64b
- 03 L f07d6f2509745c120522d10992e5a3f272795965c07c527ac4712c39d3893ad5
- 04 R 75561cca95560556224f8a284e061d151a147a6f71792fd207fb02855d33402b
- 05 L 733ac334a70ef0b795e2c9d5e7bb59c7b69de4f54e4574a08e9cca7810e83b1e
- 06 R fdb612a3aafa09df718a5e46114fd984f66e4b2542cd29b637b3928a54f0d20c
- 07 R af692a59ec7236f2cb06d1ea6cf518a96414df70aff2eeec80e3f9b8cc961c40
- 08 R c8f38517909a22ebad5225baebae8bd9dbb0397ffb52d2a7a0b2db754b4d9339
- root fcfa0605f213fee9ca456103be4e8ffcbb20efd1963d36820776cb41a7eda973