OpenTechnical

OT-2026-000070718

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000070718) never changes.

Identity and time

Publication numberOT-2026-000070718 · never reused
Internal UUID01a0ae91-8c2c-7389-a577-2bb0ca03f983 · 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-2026-000070718
StatusPUBLIC

Content hashes

Canonical text97f7aaf8b3d8fea5e563eef0b672e7b817de4400868384fea2614b4bae90b50e
Markdown2ced4e6cdcdf43ec049408c29cc6b2560e4d36567a5a1551519613c0ded3ec55
PDF
Publication page29b37a06f75b1a9f12b952ef245a1804169a480d69509965b5e3ff5ae79a3743
Manifestfc0826eff9c4464c34768d3f905bb0933a2918e8cbd3852cccd1edc606517711

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
Signature+7s1YbPa0X796/rrSiTMjqqyEAATnV3SRmyvAcmwO2TE/ZzKhC7x05UZQDpmF+4ym5d9OdsYzh3/v22hqwfVBA==
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

2026-09-17T10:25:24.598659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070718
observed 29b37a06f75b1a9f12b952ef245a1804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.582611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070718/manifest.json
observed fc0826eff9c4464c34768d3f905bb093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.565928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070718/publication.md
observed 2ced4e6cdcdf43ec049408c29cc6b256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.549659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070718/publication.txt
observed 97f7aaf8b3d8fea5e563eef0b672e7b8...
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.