OpenTechnical

OT-2026-000006972

Publication integrity record

Vacuum cup gripper, four outlet manifold, two stage ejector, contact triggered, 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-2026-000006972) never changes.

Identity and time

Publication numberOT-2026-000006972 · never reused
Internal UUID01a0a96e-227b-762a-a42d-60ee44908c6c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:56:02.429596Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006972
StatusPUBLIC

Content hashes

Canonical text0844a28c0ba2b60619565b0d8f4c88dd0779adfe241d7d69ad110cd2de61d75e
Markdown512a8f0763e8a2f7d7425d181a1b34100e739f9ff782345fbae87e48a5b48f7a
PDF
Publication page754c7681b25069e7ea7af74e46e6d22e3e713937511202ed43154cbf442dce6e
Manifest2d1b6a65ec5bb7a97d67ae9acc12f3a50466aa6690b995cd5bed4c59668cab7f

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
SignatureFcyrGNvUz08CB1npdKA/m7d4KSq+KXFcJM45caUw6t9L0Gd81gWnaWHhfw5InIV1AwkHyv8GGxYWiJsHocQ+Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:16.222539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006972
observed 754c7681b25069e7ea7af74e46e6d22e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:16.209330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006972/manifest.json
observed 2d1b6a65ec5bb7a97d67ae9acc12f3a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:16.196036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006972/publication.md
observed 512a8f0763e8a2f7d7425d181a1b3410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:16.182819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006972/publication.txt
observed 0844a28c0ba2b60619565b0d8f4c88dd...
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.