OpenTechnical

OT-2026-000082754

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000082754) never changes.

Identity and time

Publication numberOT-2026-000082754 · never reused
Internal UUID01a0ae97-8cc9-7426-81ca-ae36048d1e10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082754
StatusPUBLIC

Content hashes

Canonical text638e6582e59c2a647dd32c330ef524b822dbc4c97b888b1112baaf9d8ce6d3b1
Markdown6688935e621b7b0e14dbe495721717c8167367094a1ff903c5fabcbd5febf4bb
PDF
Publication page8498d4d1f8dd425dd70e95c393a5062f0a93e83761f5b039248c53107a451e5d
Manifestb11cbbf8826d95d853b4238b2b07a4c3788beac69926f7356b3aa9e36b8c616f

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
Signature163uSB8lGwczSiXV6zTwLqKoJwPeLjGSTcOw+9hQrHj0lnpYHxPlDdkJzBLBujyJVkRsuZGwgjQXY2ACcFc0Aw==
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

2026-09-17T09:58:20.258091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082754
observed 8498d4d1f8dd425dd70e95c393a5062f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:20.239671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082754/manifest.json
observed b11cbbf8826d95d853b4238b2b07a4c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:20.222047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082754/publication.md
observed 6688935e621b7b0e14dbe495721717c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:20.204778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082754/publication.txt
observed 638e6582e59c2a647dd32c330ef524b8...
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.