OpenTechnical

OT-2026-000006144

Publication integrity record

Vacuum cup gripper, two zone face, per zone isolation, ejector fed, silicone cups, flat form

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-2026-000006144) never changes.

Identity and time

Publication numberOT-2026-000006144 · never reused
Internal UUID01a0a950-d474-7c57-af52-f983e2d64bad · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:24:01.912169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006144
StatusPUBLIC

Content hashes

Canonical texta02079b5299c7861c55c3caa02bde705cb4d4779c446f403e378910ec3bbd5a2
Markdownca86d08c1b872bd156ec19cb9461eca3007b33af443b295aa1f77054a54074cd
PDF
Publication page3fa5a2d88d5da9d002bf4bf6d48a9857dcb3aa9f28e90652c521ae728e1d21cf
Manifest27f59c086eecc10dd2e6292e59b028396c3fec90610c4051691fb0ee4c832396

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/V09NIPsmqU0YF48cyFp6OULebC+CkbHOIT18Xd7P5NU9hEvejEb1t5RtEmIQltfaiOjRbY6p19pGz9hCiMrDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:22.646439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006144
observed 3fa5a2d88d5da9d002bf4bf6d48a9857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.631878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006144/manifest.json
observed 27f59c086eecc10dd2e6292e59b02839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.493488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006144/publication.md
observed ca86d08c1b872bd156ec19cb9461eca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.481228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006144/publication.txt
observed a02079b5299c7861c55c3caa02bde705...
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.