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 ₱5.2M contract to TUBIGAN BUILDERSNational agencies
Transaction hash:
fa21950f024f16fe836f0e28437105f4def07942954aefdd96ced380c76bbe03
Status:
Included and unchanged
Block:
#2,729 3,284 blocks after it
Position in block:
Transaction 5 of 7
Award day:
May 4, 2016 (10 yrs 6 mo ago)
Value:
₱5,172,750.00
Project:
Repair & Rehabilitation
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 #2,729 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 2016-05-04.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 fa21950f02…6bbe03now …
- 2. Block Merkle root changedstored b001415f38…e5013cnow …
- 3. Block #2729 hash changedstored 4c0c2c7b1b…acf60fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.
- leaf fa21950f024f16fe836f0e28437105f4def07942954aefdd96ced380c76bbe03
- 01 L d5b2a06f77b47f0bd6aae3e48c0ac19cde6cf1fe602f2e1791d26511d18bd150
- 02 R ed1dcff147222480976b9f2f3a7537801967a4304e4f2e732aa0486e6e0b7058
- 03 L 23fafa29f36accd4027ca3d728cc03b1149693c5c8877e4b00e42ec78a9284c8
- root b001415f381a7bf47565aa31a240f44dd9e6f381053b603e9f843b764ae5013c