OpenTechnical

OT-2026-000081955

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000081955) never changes.

Identity and time

Publication numberOT-2026-000081955 · never reused
Internal UUID01a0ae97-0f77-7e4d-b88c-4306c76f8ca9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081955
StatusPUBLIC

Content hashes

Canonical text1eeb0dce07fa02cf9879c75cec491967d0aea66bd452770916070c904699d548
Markdowne9a93da012535b325efa88694308b7adbe049292ed952fe7d632accf08294cbd
PDF
Publication page5de992892c78a747e297af467538db6bdfd68744492337939b6aa2b7061561c0
Manifest3597c3a2987e7752b977fdd4458628863712d9c1f26efd9e7b3ea889a3eaefe6

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
Signature+wftynMnOruaaZx3tYKsGr3j/N7Dsi2P/x7yxhUjV4sz78c4ZHikD3hurjGdhogPbvnqXc39cATkmaD2ywTeBw==
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

2026-09-17T10:01:05.444902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081955
observed 5de992892c78a747e297af467538db6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.424912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081955/manifest.json
observed 3597c3a2987e7752b977fdd445862886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.407177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081955/publication.md
observed e9a93da012535b325efa88694308b7ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.389927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081955/publication.txt
observed 1eeb0dce07fa02cf9879c75cec491967...
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.