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 - SCHOOLS DIVISION OF CALAPAN CITY Award a ₱88.7K contract to KARANGYAN BUILDERS &TRADERSNational agencies
Transaction hash:
80b76b1c7c70aaedf2e8fc02a305cdfbf2e743a720ca7e84f4d8b23fd0344448
Status:
Included and unchanged
Block:
#4,493 1,520 blocks after it
Position in block:
Transaction 200 of 363
Award day:
Jun 28, 2021 (5 yrs 4 mo ago)
Value:
₱88,703.32
Project:
Repair and Rehabilitation of School Buildings 4 CL
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 #4,493 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 - SCHOOLS DIVISION OF CALAPAN CITY awarded it to KARANGYAN BUILDERS &TRADERS on 2021-06-28.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 80b76b1c7c…344448now …
- 2. Block Merkle root changedstored f9e67f2178…23f1b5now …
- 3. Block #4493 hash changedstored 8b9441ff68…a67b0fnow …
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 362 records. Each step hashes the current value together with the sibling shown.
- leaf 80b76b1c7c70aaedf2e8fc02a305cdfbf2e743a720ca7e84f4d8b23fd0344448
- 01 R 8122e56980f4210dbe849ff922f5cda50b12a259e3b1c060c268d546e81bfaa9
- 02 R a4c47a80124cb28afe4d4d23c567adcd06748dca83346a87fbe6c7325ef2d05c
- 03 R 3047ceb24c5d426364b1517af5975b34baee4c55ff22b1e083792a36f1f69909
- 04 L 21c235cbccc9343af51be2bdb8542820b1d1a6a1f3286050606f5a46798b3682
- 05 R ae16904feff59e97dee69a6dc50271368c2ac2b9538d48ecfaac52a5f69bca90
- 06 R bebc2454e84a5848d1b2f19153fd6342cb55a5801d26cfeb56f2118386c87835
- 07 L 801ea0150082937c96dec3ed50e1a0a0af1cb02d2436e4afdedcb45a62204f9c
- 08 L 2ea15f472efeb8fba3e1093a14fc245248e761bd9320b6acd8f0033d7edbce12
- 09 R 427178990de991eb73f144ed0342fdfbdd4d0f592e1466b1fbeef83fbf9a68b0
- root f9e67f217868131eb3e3f5396163a1371637a3e3331973e365b7c0005423f1b5