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 PUBLIC WORKS AND HIGHWAYS, NORTHERN SAMAR 2ND Award a ₱6.2M contract to CTC CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
b4f6b68ec414707a232ce3dbc451dda699df57d796390be4cd62fc98527704bc
Status:
Included and unchanged
Block:
#2,239 3,774 blocks after it
Position in block:
Transaction 68 of 100
Award day:
Nov 12, 2014 (12 yrs ago)
Value:
₱6,225,707.55
Project:
14II0073 B2-BEF-2014-007
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 #2,239 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 PUBLIC WORKS AND HIGHWAYS, NORTHERN SAMAR 2ND awarded it to CTC CONSTRUCTION AND SUPPLIES on 2014-11-12.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 b4f6b68ec4…7704bcnow …
- 2. Block Merkle root changedstored 513d24af5a…df872enow …
- 3. Block #2239 hash changedstored d61dea7f3e…21668dnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 99 records. Each step hashes the current value together with the sibling shown.
- leaf b4f6b68ec414707a232ce3dbc451dda699df57d796390be4cd62fc98527704bc
- 01 R b5f8a40d188604257a973e0c46a0acbdf0fbf0a867ef8a9f65017a096736ebeb
- 02 R bb503b9538141ea65a354a617b5205c1e2ae675d02784c50b0ac4b2da477e48d
- 03 L 7cfe3bb8719a412b5800b0573ae078b0c6dd4e8eaca62e7356abf4b092d8032b
- 04 R 8430e253076f83dfac5eb2494c4b6aa60948c4afdbd1d187743cba68e696d417
- 05 R 58e17e46e5d6f4c7b33887bf88ce2ff6484c0991c8eea6ee768247f6663a723f
- 06 R 09845c568de725e40b880ba3d490562c5c0605e1cb3f94031af61594841e3cc7
- 07 L 620884789e8b7408e432721b740712a889a89d86fffad52bbc47dde394058814
- root 513d24af5a0ea7074b42db1334deef8b39d83879992afdeea1d0698cc0df872e