OpenTechnical

OT-2026-000070638

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, vented before 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-2026-000070638) never changes.

Identity and time

Publication numberOT-2026-000070638 · never reused
Internal UUID01a0ae91-8c2b-71ac-9fc0-4865c257b5e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070638
StatusPUBLIC

Content hashes

Canonical textf44a900bd6a124160c968cd259b82c58424cedb4795b35c52f239e7ac38546d8
Markdown0dc900f409505abbe4283646fbd9d172265ab72bea18bfd731c910feff707c5f
PDF
Publication pageac0ee71835fcb17be788f63463c0584708407dee8cfdefbf8d7c237381b438dd
Manifestec2d7a203ffa703a3283f0188c144093eafd9297e9bf0be2257eb49fb887d9d6

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
SignaturebXwe/YJ8xqMaiEQidRqDfqo9vcaGLDjCaUbo+KAvnNj0RlsnDDtl+JRse8gNZA8SXByxIq/NdYaIisS7mtVEDQ==
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

2026-09-17T10:25:18.551604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070638
observed ac0ee71835fcb17be788f63463c05847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:18.534152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070638/manifest.json
observed ec2d7a203ffa703a3283f0188c144093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:18.516803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070638/publication.md
observed 0dc900f409505abbe4283646fbd9d172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:18.498401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070638/publication.txt
observed f44a900bd6a124160c968cd259b82c58...
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.