OpenTechnical

OT-2026-000066616

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000066616) never changes.

Identity and time

Publication numberOT-2026-000066616 · never reused
Internal UUID01a0ae8e-ce41-7f6c-b77c-113732be1682 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066616
StatusPUBLIC

Content hashes

Canonical text6d7e36b49c740355a3e77dc9b35754dcc2a0c64f81200badb0abb26d55b8f912
Markdownbe0a37c14ff0e9bb8106e7407e43a6aab2b354571634985be5edbcefd26b47fe
PDF
Publication page7f228e7d805ef38d9781726632f3d48e713270e03dbe023151fd824ffe1a2208
Manifestbf5383aad20ce95cc53ad01f51c66abd5d201a57188a4a616d32e203e9bf6d70

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
SignatureGOx4X9mrRU8jHln/UI/RDchvrawyIwT6a5XcpJ4XXpt4zka9gJ0PjX6/ElfIwHl9yw3XyHejXj3lfjkBHDfPAg==
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

2026-09-17T10:32:59.456103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066616
observed 7f228e7d805ef38d9781726632f3d48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:59.440764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066616/manifest.json
observed bf5383aad20ce95cc53ad01f51c66abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:59.423865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066616/publication.md
observed be0a37c14ff0e9bb8106e7407e43a6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:59.407284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066616/publication.txt
observed 6d7e36b49c740355a3e77dc9b35754dc...
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.