OpenTechnical

OT-2026-000069908

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000069908) never changes.

Identity and time

Publication numberOT-2026-000069908 · never reused
Internal UUID01a0ae91-1860-7192-b225-8493ada47b62 · 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-2026-000069908
StatusPUBLIC

Content hashes

Canonical text35b91e3139fae0ed3cb507cc2410ca3240f4e97095b199876def7f492de25724
Markdown52244620418055c40c8015848336b335c257f2445cbdee051caa7079b1e17bb0
PDF
Publication page10bd2b7de79d637797289cfab59781a2a9e7b285deb4c3074e3f139fa571d6d6
Manifeste59fee9f48abeb6c000f083deeb3faca4f84e88d7c6bf91fb4b4aa8a94fa912a

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
SignaturenkHkQb/73I9WCX9BN1cuJVsm/5b0Jq1vUhiesXWhtbHeIu1AwGNwzogByGOaUreWg1GDeobcBGPyc99SofvpBw==
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

2026-09-17T10:26:44.629765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069908
observed 10bd2b7de79d637797289cfab59781a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:44.609588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069908/manifest.json
observed e59fee9f48abeb6c000f083deeb3faca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:44.591418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069908/publication.md
observed 52244620418055c40c8015848336b335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:44.574639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069908/publication.txt
observed 35b91e3139fae0ed3cb507cc2410ca32...
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.