OpenTechnical

OT-2026-000091623

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091623) never changes.

Identity and time

Publication numberOT-2026-000091623 · never reused
Internal UUID01a0ae9d-43b8-7bde-b74b-6877953feba4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091623
StatusPUBLIC

Content hashes

Canonical text93cedafb273f7a7edf44f206c175512dabb56e2b8f4bc8713e49f4a94af734ed
Markdownba160d300fe70bcab794dfc4d17f2423a7353ea67aa0733f0dedeb26a10e8cc7
PDF
Publication paged2f124caaf3d1ac3a97f4d8d6f95ea5a2c703dabe2279e39c3561bacc8364fb5
Manifest5eb8c1d1f3b61d6ef99891190a57702ce8fba915e44fa39142793a1b3829f4e1

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
Signatureq+gXveQK5S49mw8HXiDDQ+WSZw7U8kSLUa6LrO5QBPLF6iZ/dxTOfFIvuq/eMLT8o9iOqPIZrYP/XalVP781Aw==
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

2026-09-17T09:41:59.014153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091623
observed d2f124caaf3d1ac3a97f4d8d6f95ea5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.995383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091623/manifest.json
observed 5eb8c1d1f3b61d6ef99891190a57702c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.975714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091623/publication.md
observed ba160d300fe70bcab794dfc4d17f2423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.956802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091623/publication.txt
observed 93cedafb273f7a7edf44f206c175512d...
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.