OpenTechnical

OT-2026-000062991

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000062991) never changes.

Identity and time

Publication numberOT-2026-000062991 · never reused
Internal UUID01a0ae8c-94a9-7e3e-a0ee-0b780072c285 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062991
StatusPUBLIC

Content hashes

Canonical textc711c887846e261763e9c867bdbbf46ae374719e793c09f8103fb06080bbd41d
Markdown680e4ded5499b475f1b80f20df600aaeb64c8188e2c54e052bccffe69544f350
PDF
Publication paged8b3577d168d37c694e180fd17c7eb2de88176188aa87e0187f3e8231fa0c9e3
Manifestce0ab7e91f8af3cbde1944fd86294a7526c56b1f2fa303f9bc8d8f22e7270dda

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
SignatureM4xH4PxL7UmoXKjLMQIzOj+KqsIdQM8QbZFqUiXzYgWmEaX+ZADVZHdZftUVe+x/zt0OPmzb9sT/oInMS8jxDQ==
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

2026-09-17T10:40:31.130775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062991
observed d8b3577d168d37c694e180fd17c7eb2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.107513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062991/manifest.json
observed ce0ab7e91f8af3cbde1944fd86294a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.086397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062991/publication.md
observed 680e4ded5499b475f1b80f20df600aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.065477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062991/publication.txt
observed c711c887846e261763e9c867bdbbf46a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:43.852188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062991
observed d8b3577d168d37c694e180fd17c7eb2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:43.832256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062991/manifest.json
observed ce0ab7e91f8af3cbde1944fd86294a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:43.814858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062991/publication.md
observed 680e4ded5499b475f1b80f20df600aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:43.797457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062991/publication.txt
observed c711c887846e261763e9c867bdbbf46a...
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.