OpenTechnical

OT-2026-000072086

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000072086) never changes.

Identity and time

Publication numberOT-2026-000072086 · never reused
Internal UUID01a0ae92-47c1-717a-918b-9efb20a0aec0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072086
StatusPUBLIC

Content hashes

Canonical textf79f2960b1995eea636540ad2e8c0bbe7196c415884f326207daf38561b72cc8
Markdown3221c9168589fbeb2d79401fe27833260dd5b69bedc70364b7a5577e6a04b2b4
PDF
Publication page4773382d2655d0005035fcac8fd39501023f9ae1f71fe0f16efc125ee3dff0f3
Manifest4e83df39d93eec991f58ce1f2bb9a393c44034d844770b3092e9450946eb6349

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
Signature3W0pYSFg101TfoTTTekozz4xEga7lqxXs8YuowDhNK0bKumNKyGxJ6FvkKYXiFPP395FyFTmuYaMceD7CQjYBA==
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

2026-09-17T10:23:09.919305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072086
observed 4773382d2655d0005035fcac8fd39501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.902417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072086/manifest.json
observed 4e83df39d93eec991f58ce1f2bb9a393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.885517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072086/publication.md
observed 3221c9168589fbeb2d79401fe2783326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.866970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072086/publication.txt
observed f79f2960b1995eea636540ad2e8c0bbe...
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.