OpenTechnical

OT-2026-000078360

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000078360) never changes.

Identity and time

Publication numberOT-2026-000078360 · never reused
Internal UUID01a0ae95-7c28-73fe-8e0a-5117d7ea0e43 · 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-2026-000078360
StatusPUBLIC

Content hashes

Canonical text5e1e8dbe2996ece6c1aeea6c21f2e724d3205bc6f4c8f11c436e73f40f75131e
Markdown6800c2ddd0e4492e97cfa81966547f329fc0db97a72f659a5f5cd355e7f8f26b
PDF
Publication page8cd6d1ec5a3d35c7b34f7c1c01e55c837ffc388727651cd5f680e03c3dcf5739
Manifest1a877328bb074afc6b1e531d87cd76993fa463ba38c2809a09be16d7110a46ec

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
SignatureiLMsEvKUiCIQSxU22Te6msA1YBjhNUNDoyYDtnM/dzzWpmM3py2d0TSySoVgjZiJ/4zRWMTHVyul6gYrByJnDg==
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

2026-09-17T10:06:05.172990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078360
observed 8cd6d1ec5a3d35c7b34f7c1c01e55c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:05.151962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078360/manifest.json
observed 1a877328bb074afc6b1e531d87cd7699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:05.133619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078360/publication.md
observed 6800c2ddd0e4492e97cfa81966547f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:05.117521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078360/publication.txt
observed 5e1e8dbe2996ece6c1aeea6c21f2e724...
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.