OpenTechnical

OT-2026-000085499

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000085499) never changes.

Identity and time

Publication numberOT-2026-000085499 · never reused
Internal UUID01a0ae99-aaac-7bc0-ac7a-86daad1d025b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085499
StatusPUBLIC

Content hashes

Canonical texted32886dda4d9f558421c295f8b00d0cc85b8b7fa98f13791513853c26d23757
Markdownd36f7e093febc6e5e01b05f981faef576d72cb4cc9e622b7174fecf90c9c0a02
PDF
Publication pagebca64ca08f150ef9316ce53bc5e01b4e791cc40beac2388d0a54acdbefabb350
Manifest641602f0df48b88a9dc80695dc800316ce92376050a15dcb0bb6c7d8751aac5b

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
SignatureUgk7GjxYUDTU6RpTUkU8Bb4dtFj+6CQRVU8iCP7Sf7vIkp+385tEEJNgXi3S3ZrJSchrg0qGvdWsYi8QKiRiAw==
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

2026-09-17T09:54:18.059821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085499
observed bca64ca08f150ef9316ce53bc5e01b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.043472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085499/manifest.json
observed 641602f0df48b88a9dc80695dc800316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.026373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085499/publication.md
observed d36f7e093febc6e5e01b05f981faef57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.007183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085499/publication.txt
observed ed32886dda4d9f558421c295f8b00d0c...
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.