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
SCHOOLS DIVISION OFFICE OF IFUGAO Award a ₱3.1M contract to MERJAN P. HAMBON GENERAL CONSTRUCTIONNational agencies
Transaction hash:
bfbdd3be950681a361ebfc52b00cf3f4d0d88aa8fbb779a7e6738b7f4bbd2521
Status:
Included and unchanged
Block:
#3,721 2,292 blocks after it
Position in block:
Transaction 296 of 404
Award day:
Mar 28, 2019 (7 yrs 7 mo ago)
Value:
₱3,081,678.40
Project:
Repair of Classrooms CAba ES
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 #3,721 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)SCHOOLS DIVISION OFFICE OF IFUGAO awarded it to MERJAN P. HAMBON GENERAL CONSTRUCTION on 2019-03-28.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 bfbdd3be95…bd2521now …
- 2. Block Merkle root changedstored 311cf3e56d…244343now …
- 3. Block #3721 hash changedstored 03286bf48f…ba974fnow …
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 403 records. Each step hashes the current value together with the sibling shown.
- leaf bfbdd3be950681a361ebfc52b00cf3f4d0d88aa8fbb779a7e6738b7f4bbd2521
- 01 R c0127850bf45cd80a5a755010f3b1410d162f57086751d2cf7d0a0576cffb7b8
- 02 R 78a525c38366cf30858cce17c598b117a72414dd155510df5ab6d494ea5e5faf
- 03 R bddd0daf1c465c9ca404f0638a02406685ece18f197c32599d71c4e9121572b1
- 04 L d77166d22d07cdce0e533e717dcd73c63a9084eb9d87b58f678eb18720e892d1
- 05 R 97bcd662bb31aa0ee213da060935ae0c091e213591041c1c7bae06cf32e8fb29
- 06 L 75a6c9532ba48f2829b66f4d5336b9c0b8f35dad62010528d7d199f9383a2fb3
- 07 R a265011393175bffdfeca640731d8c146e0877ab23b2cd77aacc79f10647327e
- 08 R c3b60cf2643d7c1f9202ad6bcb1c7e34562370e16a3bd8bfecf094cc9772b207
- 09 L ae34a6f11382f607e0f4b89f4d865a6958dc5d4d466c1fdbe3b0ad30857aea4b
- root 311cf3e56d5ca01022e4209ef10f5695c622da27b001ceb4588c73447f244343