OpenTechnical

OT-2026-000081201

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, sustained 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-2026-000081201) never changes.

Identity and time

Publication numberOT-2026-000081201 · never reused
Internal UUID01a0ae96-f373-7b25-8be9-2e94dcc74a51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081201
StatusPUBLIC

Content hashes

Canonical texte26fdbf3725fd679622c9131106d6bce441ca14fbabc2e9c28033977d44a0df2
Markdownbed1ba5f24f308318be3306dfec6c635d2d90e7f206795cb838c35722a2392a2
PDF
Publication page00a2273b4344cf21ac8015f3048742ea26ab48159028c3368ede61a6b885c349
Manifestde0298d77ae84f909bf76219eee077588b2d34f94da70115c24dcb2ddb8f4a1d

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
SignaturemDDBXHH7H6p8lQHEOG6bSbLXhDXR1ire2hxClK8h4vHG62WBerhJq44M7clAotkzBjXeY0KkB+eRgkvaQ+YkAw==
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

2026-09-17T10:01:16.472522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081201
observed 00a2273b4344cf21ac8015f3048742ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.453791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081201/manifest.json
observed de0298d77ae84f909bf76219eee07758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.436545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081201/publication.md
observed bed1ba5f24f308318be3306dfec6c635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.419340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081201/publication.txt
observed e26fdbf3725fd679622c9131106d6bce...
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.