OpenTechnical

OT-2026-000078722

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000078722) never changes.

Identity and time

Publication numberOT-2026-000078722 · never reused
Internal UUID01a0ae95-ccbc-7603-b60d-05b735219be2 · 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-2026-000078722
StatusPUBLIC

Content hashes

Canonical text4845fd4ea20b2d9ac682f47f533eeee079bc22d4835b99c09a75215f2ec7948b
Markdowndf59698e9364464c4e428ea90a370735bfeabe2556869528f6c423d3cb3a3162
PDF
Publication pagef359688c65330865b97099a046052443325463624bc51bc2ec116eb9ed26f818
Manifest31acd42ec0d42dd1f440df2e7b7b1ea0ffa4dd1c8d8799f8ea52519464c566c4

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
SignatureoUF1rt6fywlvsYZC68JKvUiyYowhH1kmOHteE5V1spUmlHN+ARIqDECulXafnN/uSfZnzqUTjjvYGoLoi/e0Aw==
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

2026-09-17T10:05:30.341968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078722
observed f359688c65330865b97099a046052443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.324776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078722/manifest.json
observed 31acd42ec0d42dd1f440df2e7b7b1ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.307110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078722/publication.md
observed df59698e9364464c4e428ea90a370735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.289802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078722/publication.txt
observed 4845fd4ea20b2d9ac682f47f533eeee0...
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.