OpenTechnical

OT-2026-000082770

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after set-down

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-2026-000082770) never changes.

Identity and time

Publication numberOT-2026-000082770 · never reused
Internal UUID01a0ae97-8cc9-791d-a0fd-4ffde2ec0fda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082770
StatusPUBLIC

Content hashes

Canonical text128edcce802e3ed3763b87c852ec02da997bf2ddfd53f1d274986b37c3a88fc8
Markdown0605ba9e93d70f30b3d78db9d969a6c3836c8c6daf89e3594306d8dafc0d9040
PDF
Publication page8407b8a83df6952daa54109996a51db5109dd447629c67d8c623711be70a098d
Manifest4cb28c1e608c3a164a916a1333d24ca7cac5e15c5b45995c3271f13642071068

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
SignatureOFkpOpVr/0J/6Mw7puWUTZcvFqxLcE9pgx/1UJaCaMNqJgfNIEf/rxK45HfowFUFMi3tufbDlreIGIfBU/V7AQ==
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

2026-09-17T09:58:21.420572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082770
observed 8407b8a83df6952daa54109996a51db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.404838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082770/manifest.json
observed 4cb28c1e608c3a164a916a1333d24ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.386338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082770/publication.md
observed 0605ba9e93d70f30b3d78db9d969a6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.369427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082770/publication.txt
observed 128edcce802e3ed3763b87c852ec02da...
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.