OpenTechnical

OT-2026-000079153

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000079153) never changes.

Identity and time

Publication numberOT-2026-000079153 · never reused
Internal UUID01a0ae95-ccbf-7c3d-a308-4da6dd79a0e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079153
StatusPUBLIC

Content hashes

Canonical text9dab6a500565339de0678ee79acf049995c0c0e5488ee4ba5db0c3bc426c173b
Markdown314d8c9736339028c96c40ee596841332b4e586e564c4d5724deb74ed607bbad
PDF
Publication page65413e5cf1034d66d1f018ee65fdcb5d4cf906bf577df7862d46ea237a486112
Manifest840e0e17e03717dcd0f19be2fe9587defa65e1558fd10717e8baf3a32eda708f

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
Signature9AvJ3hlol6LPeJeYgkJZZhYfozYfDdRo4cWqMs39mXBBFe+2xd6hFugQZd3Aw4kwgUAoROTZ+x30Aij5JWz6DQ==
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

2026-09-17T10:06:00.169634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079153
observed 65413e5cf1034d66d1f018ee65fdcb5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.152011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079153/manifest.json
observed 840e0e17e03717dcd0f19be2fe9587de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.136743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079153/publication.md
observed 314d8c9736339028c96c40ee59684133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.120073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079153/publication.txt
observed 9dab6a500565339de0678ee79acf0499...
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.