OpenTechnical

OT-2026-000100823

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000100823) never changes.

Identity and time

Publication numberOT-2026-000100823 · never reused
Internal UUID01a0aea3-66f5-738d-8475-3ad8d1ac7ae1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100823
StatusPUBLIC

Content hashes

Canonical texta09d92264000f6d19df1f10c0d1933c3e32aa0511f1e1ac163924e447ed632e2
Markdowna057960ebe081f520e9622157eca5ef29f32a291db56f37bdf7aac709cb92b00
PDF
Publication page42090fb31d4361156067dc95d877e7d6ba8f1b05569d4b89217d9692a228ba3a
Manifestb59138a110586b25e39b6fe53e26f27a48504022946557f0a80d6c934eb47fb9

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
Signature4X5M8mEVje2YJpfkDIT7MQaOBpCXXqzVoyHFJSx08luOxWkLaF+pBHCsbxGRtUdLXapCIYBezwnKXdrZtrlzCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:44.643124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100823
observed 42090fb31d4361156067dc95d877e7d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:44.624972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100823/manifest.json
observed b59138a110586b25e39b6fe53e26f27a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:44.606183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100823/publication.md
observed a057960ebe081f520e9622157eca5ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:44.588271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100823/publication.txt
observed a09d92264000f6d19df1f10c0d1933c3...
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.