OpenTechnical

OT-2026-000068563

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000068563) never changes.

Identity and time

Publication numberOT-2026-000068563 · never reused
Internal UUID01a0ae90-2482-7a51-8c21-3b271eef373f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068563
StatusPUBLIC

Content hashes

Canonical text71c6bc61d578cd04e7edb22333bcc18a2215727b8dccb06d262f3d79bbd771a9
Markdownf1baf4631824727fe3491c60809d358b15a1e2510e8badb707957aaaefcd8fef
PDF
Publication page23f50aecaa287cbde28de29cb445f4494f77acab66f645425d2e55225f0d618d
Manifest42e68f0da50b8e049373b50f69eb6fb4ade2286e898211fa0a91709e286108a7

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
SignatureUEcd/LXJfq8HeZWvlJMNh0iAKYfP1SaUimThWj+VRjTnI1qTLe1Iq9LdOwyiVbro5AUdU6uzEipi4+yOn5rPCw==
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

2026-09-17T10:29:43.978861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068563
observed 23f50aecaa287cbde28de29cb445f449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.959840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068563/manifest.json
observed 42e68f0da50b8e049373b50f69eb6fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.943573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068563/publication.md
observed f1baf4631824727fe3491c60809d358b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.926089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068563/publication.txt
observed 71c6bc61d578cd04e7edb22333bcc18a...
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.