OpenTechnical

OT-2026-000078552

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000078552) never changes.

Identity and time

Publication numberOT-2026-000078552 · never reused
Internal UUID01a0ae95-7c29-741f-9802-ca3924aaee0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078552
StatusPUBLIC

Content hashes

Canonical textf9131b9a178eb5ecd3473106cb4839554785b4025143cd5d12ea9bbad6666f9b
Markdown1064442cfe49074d48b47ca6e48f0c1a5f20efa164cca4788149db553ce4817e
PDF
Publication pagebff409de2126d27bf819a62ff4230795cae3ccb9d5a88c63b718488a8510465d
Manifest049bb0ebe0c593fc86eae1f9ad27b13160c865587c0f0f08eb70c606c31eb25b

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
Signaturecd1haNJG8SEGgcrDdX8ri+E5aeeYu506PldCLS/Qfy0J5H6xHR1mykPQ9ypnh+C+m5IYdg+wKUBIRHJxDuiUCQ==
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

2026-09-17T10:06:34.393478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078552
observed bff409de2126d27bf819a62ff4230795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.376516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078552/manifest.json
observed 049bb0ebe0c593fc86eae1f9ad27b131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.359672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078552/publication.md
observed 1064442cfe49074d48b47ca6e48f0c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.342468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078552/publication.txt
observed f9131b9a178eb5ecd3473106cb483955...
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.