OpenTechnical

OT-2026-000075241

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, 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-2026-000075241) never changes.

Identity and time

Publication numberOT-2026-000075241 · never reused
Internal UUID01a0ae93-f200-786d-8bd2-ac916e6e5ef5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075241
StatusPUBLIC

Content hashes

Canonical textdc68eebeb59066d8df96078bc8605c70781f096c7a961740ce6c8e3376945137
Markdownded1f1475d4c70aa1e19bd8a18c70ca787156eed2beb162a4115a16275a0d1bd
PDF
Publication pagef3a1aee09b075cccf1947cb0a65d5284abc007c4a9d3b8838dec8f265cf66d05
Manifest26e705ad624d9c67ccba7ef826ded33feb99e019aa7ed635a054d5cb73e9c2ec

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
SignatureeAYnrJ9JQxdURYu5Bw1lvnMnuh6PlC8QuTRKhBasJuE7192SvCaYlO1mQxvfa4ahBcjeOorD9uIa8+oLJhyPAw==
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

2026-09-17T10:20:31.737390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075241
observed f3a1aee09b075cccf1947cb0a65d5284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.719843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075241/manifest.json
observed 26e705ad624d9c67ccba7ef826ded33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.703106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075241/publication.md
observed ded1f1475d4c70aa1e19bd8a18c70ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.656424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075241/publication.txt
observed dc68eebeb59066d8df96078bc8605c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:50.464032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075241
observed f3a1aee09b075cccf1947cb0a65d5284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:50.058910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075241/manifest.json
observed 26e705ad624d9c67ccba7ef826ded33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:50.036764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075241/publication.md
observed ded1f1475d4c70aa1e19bd8a18c70ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:49.941473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075241/publication.txt
observed dc68eebeb59066d8df96078bc8605c70...
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.