OpenTechnical

OT-2026-000085143

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000085143) never changes.

Identity and time

Publication numberOT-2026-000085143 · never reused
Internal UUID01a0ae99-43b9-7635-bea8-07eb726dd727 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085143
StatusPUBLIC

Content hashes

Canonical text7361aa158d74d89cc301cbae75e7f6acebca39e0b5a27b6e57bd4504e9b820c4
Markdown8d14d8d38530c4cb5f5441f6e3b242363541b026e657e086f056bdd041cac614
PDF
Publication page351a97ec2fe4560cb6a0dd7913deae1c7291a908c1f1ee8ed2c207c7212bd0e7
Manifestbfe33b40ca47bc601ae5f40cbaf89b4083ba5a34fca03209d90b9fe1fb410613

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
Signatureqmljc03WAXVjsc7QeHhgogpC2oU7NGU7u2w039BDuQm3J18qdl3s2ps0yUa7i9S3rGFL56Yyk/J9gK6aqw5rAg==
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

2026-09-17T09:55:13.315263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085143
observed 351a97ec2fe4560cb6a0dd7913deae1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.298243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085143/manifest.json
observed bfe33b40ca47bc601ae5f40cbaf89b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.280236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085143/publication.md
observed 8d14d8d38530c4cb5f5441f6e3b24236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.261787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085143/publication.txt
observed 7361aa158d74d89cc301cbae75e7f6ac...
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.