OpenTechnical

OT-2026-000081635

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, sustained blow-off 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-2026-000081635) never changes.

Identity and time

Publication numberOT-2026-000081635 · never reused
Internal UUID01a0ae97-0f72-7397-ba75-52dbebe0b5d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081635
StatusPUBLIC

Content hashes

Canonical text9718eaa4db4594bae1ae4fdf1f157cd6ea22675275fc1314b4aefea8e9701e01
Markdown3e0f304128ad4e50445498ed44b4575e62bb7015d6ee307e2d5c5ab1b196f743
PDF
Publication pagee69b750ecc99809258acf9628df8606952e333dd440ffc7808c2d037ef5cb629
Manifest2858d3b994a9059012bb15380428c1fff58324627f16dc42918f6b134a08f7cb

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
SignatureIqs21T06MLVpV9LwVrcui8O+WuOaINhyf+oWqQf8XWT1HRNzIrax5tPxAg3WeFwA4yhx91djURcwUk4OlmSlDQ==
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

2026-09-17T09:59:41.088879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081635
observed e69b750ecc99809258acf9628df86069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.070451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081635/manifest.json
observed 2858d3b994a9059012bb15380428c1ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.054721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081635/publication.md
observed 3e0f304128ad4e50445498ed44b4575e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.036317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081635/publication.txt
observed 9718eaa4db4594bae1ae4fdf1f157cd6...
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.