OpenTechnical

OT-2026-000070261

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000070261) never changes.

Identity and time

Publication numberOT-2026-000070261 · never reused
Internal UUID01a0ae91-545e-7be8-89b1-63a5ab5bbec1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070261
StatusPUBLIC

Content hashes

Canonical text16a30ef8517a140542d7074c06cf85cd03ca8f25143ec22d93832c16ada6cdbc
Markdownfb188f70e93571c18d7cfde9da80947fada356576c64c42b02ea2071a25e54bd
PDF
Publication page42e3e2f9bc561f19aa12ea0116e6ffc09a75e3d09c40c9a51f2b33e1609edfe8
Manifest7d5c581d3aeb6be6dd522336aa25efa66923980749814ba7d6c16861674561ac

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturevdZltnPKOu0xWZP6ZhQ5mvAPSyZ0hKf/pnvW9L0sCdfV0kZx9mdrKTyGsUp0zEJjCF/CfALhDxq0nOu6Q7uEAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:02.474518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070261
observed 42e3e2f9bc561f19aa12ea0116e6ffc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:02.457663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070261/manifest.json
observed 7d5c581d3aeb6be6dd522336aa25efa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:02.440332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070261/publication.md
observed fb188f70e93571c18d7cfde9da80947f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:02.424422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070261/publication.txt
observed 16a30ef8517a140542d7074c06cf85cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.