OpenTechnical

OT-2026-000070253

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-2026-000070253) never changes.

Identity and time

Publication numberOT-2026-000070253 · never reused
Internal UUID01a0ae91-545e-75cd-8079-fbcca98e5542 · 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-2026-000070253
StatusPUBLIC

Content hashes

Canonical text2b3ae652b8f4208eaa83035eaf59ba77f2a026bc4add44157205c8841c40ce70
Markdown244bafb6d705e6551d9571d09771d75b12cb4d721f2a9a8ce9364ec522f85b09
PDF
Publication pageb006626904ee963053d60856f912cb4f02ca68838ec82468fd4f032e53a64380
Manifest997118171588daccc4a42a44f435a610cfd3e8a88291ec2b3c757f7c6ef84cbb

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
Signaturee2ZtjWt5FYoE2+9sZ+w1IKmJSiaJy125un7Oe/uRjAF1dqKTfxlnxnATSW8tKhjqkzLu+ram03n7syUUbC+sCA==
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

2026-09-17T10:26:01.899703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070253
observed b006626904ee963053d60856f912cb4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.881593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070253/manifest.json
observed 997118171588daccc4a42a44f435a610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.865375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070253/publication.md
observed 244bafb6d705e6551d9571d09771d75b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.847518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070253/publication.txt
observed 2b3ae652b8f4208eaa83035eaf59ba77...
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.