OpenTechnical

OT-2026-000078036

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000078036) never changes.

Identity and time

Publication numberOT-2026-000078036 · never reused
Internal UUID01a0ae95-2f44-7b60-852e-a8110d332e88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078036
StatusPUBLIC

Content hashes

Canonical textf31cf0cf9a08fd107abc001e98bb11cf70c8ba65a5760200e92ae5cce51d0a7e
Markdown29cf0b0473467313d5319c557ff5da538e1d20418e5d2904231c4613df5e1890
PDF
Publication page154aa44777cac527009916f8ced75036ce32a4e311fa1bda7f94b227f177e434
Manifest4bc6ecbe4c06c28effe6731db953ed475ffd67ea78ec5947507099b5104fbdac

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
SignatureWUsVQha/auA2I378uTQ4fzI0eEdD07CJIm+zO8DKNJAsg0ROY15RnEQyLrJRSB3HWK9e1vx3aMZ8dXG8Fa5IBg==
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

2026-09-17T10:10:46.530242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078036
observed 154aa44777cac527009916f8ced75036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:46.512046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078036/manifest.json
observed 4bc6ecbe4c06c28effe6731db953ed47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:46.494849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078036/publication.md
observed 29cf0b0473467313d5319c557ff5da53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:46.474073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078036/publication.txt
observed f31cf0cf9a08fd107abc001e98bb11cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.675528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078036
observed 154aa44777cac527009916f8ced75036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.658372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078036/manifest.json
observed 4bc6ecbe4c06c28effe6731db953ed47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.639181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078036/publication.md
observed 29cf0b0473467313d5319c557ff5da53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.620475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078036/publication.txt
observed f31cf0cf9a08fd107abc001e98bb11cf...
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.