OpenTechnical

OT-2026-000075441

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000075441) never changes.

Identity and time

Publication numberOT-2026-000075441 · never reused
Internal UUID01a0ae93-f201-789c-b695-1ba9ead34076 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075441
StatusPUBLIC

Content hashes

Canonical textc770d86735373a18bebd0211e5b16990002619d75b079d59ccc1ea72a953af63
Markdown8eada933c875714afd608f3cee7e4802763e4ef2601280bf6f7f0f8453cfb1b8
PDF
Publication page6e97ea921977e21a06aaa168310c152579ce23b6f848d3dc7118a4feda9cd2e0
Manifeste823b5cbf770ae6e5602ff2e0df2540ea8293e82af8fb7e98239d98ccd331e3f

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
Signaturea2OrT5piAQbUdGMZGcbf103tDJdbuL3EG62OLNUuR5T/37sqXXqhWPsPnmmuPr+ThpG4l6VPqeUVIvbtwLhbCA==
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

2026-09-17T10:17:38.774967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075441
observed 6e97ea921977e21a06aaa168310c1525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:38.755782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075441/manifest.json
observed e823b5cbf770ae6e5602ff2e0df2540e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:38.735787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075441/publication.md
observed 8eada933c875714afd608f3cee7e4802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:38.716625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075441/publication.txt
observed c770d86735373a18bebd0211e5b16990...
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.