OpenTechnical

OT-2026-000062980

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000062980) never changes.

Identity and time

Publication numberOT-2026-000062980 · never reused
Internal UUID01a0ae8c-94a9-7349-b68b-4357c44e8e20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062980
StatusPUBLIC

Content hashes

Canonical textb464e42e872faad0f9d2a8fa6fa668321e5b48ac63417990a208fe9547209c70
Markdown20a1eda9e0fc4c7fc8e7c07206a6f1c2657d883fd26d1d1084c93f27e5ac9b5c
PDF
Publication pagede280998084437076712efc261da89e4c3bfaa15c6a3626c21f897b346809154
Manifest7d8e56996a74c42730d44cb3a3c2c920ec0ba7eaee48a254c2cdbab22352b671

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
SignaturergAGum/hiFG2Sub1eHbLiqBfxmOQXDZu3XHHMDBzUx1Qa/7Gi1sjharMWTAVH3EQJ+PWDSASWwZ9WDlrbBRoDA==
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

2026-09-17T10:40:30.161362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062980
observed de280998084437076712efc261da89e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:30.134379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062980/manifest.json
observed 7d8e56996a74c42730d44cb3a3c2c920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:30.101489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062980/publication.md
observed 20a1eda9e0fc4c7fc8e7c07206a6f1c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:30.076366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062980/publication.txt
observed b464e42e872faad0f9d2a8fa6fa66832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.913910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062980
observed de280998084437076712efc261da89e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.895058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062980/manifest.json
observed 7d8e56996a74c42730d44cb3a3c2c920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.876393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062980/publication.md
observed 20a1eda9e0fc4c7fc8e7c07206a6f1c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.857611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062980/publication.txt
observed b464e42e872faad0f9d2a8fa6fa66832...
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.