OpenTechnical

OT-2026-000077968

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000077968) never changes.

Identity and time

Publication numberOT-2026-000077968 · never reused
Internal UUID01a0ae95-2ed1-75a9-9ca5-b693fb70263e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077968
StatusPUBLIC

Content hashes

Canonical text93e8c08b8329f9160d6fd8bea2ea929dd3e35ed898229fe5f59c7d6778798f14
Markdown44c93c4a6bbc5093c86edfbc4e0795e9179bc8bed9a2fba2708e83c829b5d8a9
PDF
Publication paged6c470023269c8fa8d8490d87d978ce87894ca370c734de95715187416e6f337
Manifest4d84fc2f8da8a7db55c997a9277dbc60fbdf30aafd7364054015475daf599f6f

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
SignatureRaVIGzcSKjiMAEXGaUhPZKpCrlsFEjnUN7oQu2hkKdZVIqzYaSIbiJ5rNZm+CjwdTQPk84vsKEJFkk/E8ofBBw==
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

2026-09-17T10:06:59.738099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077968
observed d6c470023269c8fa8d8490d87d978ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:59.720815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077968/manifest.json
observed 4d84fc2f8da8a7db55c997a9277dbc60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:59.701811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077968/publication.md
observed 44c93c4a6bbc5093c86edfbc4e0795e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:59.674667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077968/publication.txt
observed 93e8c08b8329f9160d6fd8bea2ea929d...
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.