OpenTechnical

OT-2026-000091936

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091936) never changes.

Identity and time

Publication numberOT-2026-000091936 · never reused
Internal UUID01a0ae9d-43bb-72b2-9404-f58324648023 · 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-2026-000091936
StatusPUBLIC

Content hashes

Canonical text54bbe462d5185d4183d3edee88d17d8ac9229b7facb93d26e567d87462c9be42
Markdown4bc392f33ceb37fb4a44d73ff21a73a870e64ec4ef4d0d6912ab364889082035
PDF
Publication page4b855dbec62ced003a3c283ec3f5763b301e2600cdfabc5765093a872f830168
Manifest270f78f17ae6ded91fb87e2d6df0037324ae7edbc3b63e08136e39fb09cf2663

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
SignaturewmvIOefcE5ov1d8taJeAF7s6es3uPnfk2lov/OPpdHjblFu3HQm1wMbEhu7MRkIliNwWnUorvaBAbxNYz+GSAA==
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

2026-09-17T09:42:51.875068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091936
observed 4b855dbec62ced003a3c283ec3f5763b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.857779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091936/manifest.json
observed 270f78f17ae6ded91fb87e2d6df00373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.840375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091936/publication.md
observed 4bc392f33ceb37fb4a44d73ff21a73a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.822916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091936/publication.txt
observed 54bbe462d5185d4183d3edee88d17d8a...
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.