OpenTechnical

OT-2026-000069688

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, vented 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-2026-000069688) never changes.

Identity and time

Publication numberOT-2026-000069688 · never reused
Internal UUID01a0ae90-b52c-7364-9ba2-36ebf4ddc6ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069688
StatusPUBLIC

Content hashes

Canonical text6418937e7c7469ceb326097ced3152e45ce5fd582a109fcc3fee95e2949e7fd1
Markdown917c0c48b952098384d67e81f1bc0e0d29b7ef5c3c16d904497c872f746373eb
PDF
Publication pageeb5998f1b249cf5740a0c8b5145adda4cde83b89b3ac1267d4425a444e61c64a
Manifestc51d59b1ebc205a0ab4ca0b9c22da31905ac6ec36f57cda97b3f2e03b23ca95b

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
SignatureFjHb5b/IfFBnYcZiz6mYoozw0tOiPKyHwxN1ok6vj3JpoJ0BYAM1qA4jqvolJrqq2cxAqVTAB+xUErnDRaaMCA==
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

2026-09-17T10:27:16.664350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069688
observed eb5998f1b249cf5740a0c8b5145adda4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.646402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069688/manifest.json
observed c51d59b1ebc205a0ab4ca0b9c22da319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.628025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069688/publication.md
observed 917c0c48b952098384d67e81f1bc0e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.608684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069688/publication.txt
observed 6418937e7c7469ceb326097ced3152e4...
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.