OpenTechnical

OT-2026-000087258

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000087258) never changes.

Identity and time

Publication numberOT-2026-000087258 · never reused
Internal UUID01a0ae9a-cd4d-7885-87e6-2c3e64179e7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087258
StatusPUBLIC

Content hashes

Canonical text43dc710ec3300b6cfcf12b07fe312df569595ceeb18addd7455cfa71840b9ee0
Markdowna8b8214beb61d8b9dccec18742e3be2b27c4608eaea248b31dd5447a35f09e9c
PDF
Publication page97d6fc8b54e0dc19845bcd4df02c7a6a07d865c086021b1220bec15e9ba73de5
Manifestc72b82be0ea092f154cfbefbff462632245c08a0ee5ea77a642b91caf3822014

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
Signaturej8luBri1qt65Yhx4S9NKRM1aeWwP6FvkRinQR7Pj/dTtadz1YURVi99w+jJXalks9OaNLLqQxk9sdNm+vkrdCA==
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

2026-09-17T09:50:22.421369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087258
observed 97d6fc8b54e0dc19845bcd4df02c7a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.403107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087258/manifest.json
observed c72b82be0ea092f154cfbefbff462632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.382074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087258
observed 97d6fc8b54e0dc19845bcd4df02c7a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.379042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087258/publication.md
observed a8b8214beb61d8b9dccec18742e3be2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.362928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087258/manifest.json
observed c72b82be0ea092f154cfbefbff462632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.362176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087258/publication.txt
observed 43dc710ec3300b6cfcf12b07fe312df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.341008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087258/publication.md
observed a8b8214beb61d8b9dccec18742e3be2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.316050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087258/publication.txt
observed 43dc710ec3300b6cfcf12b07fe312df5...
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.