OpenTechnical

OT-2026-000069956

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000069956) never changes.

Identity and time

Publication numberOT-2026-000069956 · never reused
Internal UUID01a0ae91-1860-78ce-9fe2-9d4c5b59f53b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069956
StatusPUBLIC

Content hashes

Canonical texta5aac43a9840827583f61ac7a470bc34a41fbe82f3a21f2bd8e70ef4993ed153
Markdown0d9221e52feeec26f14dbd2a11b808382c542a1d2876fa5825c211133c280fd8
PDF
Publication page6e038d9ade16556bc2a1e79bee26514cb6818cdb00b0b271209a6a8e107ca38d
Manifestb0e7abca6cb319f3ea53dcbeacb699679742bc27e5813c8e0c23190279c1987e

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
Signaturei5AIdKGVhoD2JX8jqYRUGS2TzVKHaW2HmymDMRHPNrNhhXQYWtVWIHxiXGltitZgIUOkyjJ5yx1DGn75eKa9CA==
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

2026-09-17T10:26:53.776424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069956
observed 6e038d9ade16556bc2a1e79bee26514c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.757986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069956/manifest.json
observed b0e7abca6cb319f3ea53dcbeacb69967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.740396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069956/publication.md
observed 0d9221e52feeec26f14dbd2a11b80838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.723872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069956/publication.txt
observed a5aac43a9840827583f61ac7a470bc34...
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.