OpenTechnical

OT-2026-000081461

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000081461) never changes.

Identity and time

Publication numberOT-2026-000081461 · never reused
Internal UUID01a0ae96-f375-75db-afe7-7a2f00f86044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081461
StatusPUBLIC

Content hashes

Canonical text11aecb39ece78abc9df0df9ba76d3a3bb104d4a89b2fe186486f882b4121aa39
Markdown579f441c9e350383e63365b53ce6fe7613d2a4fb3b1d72cdf2144a6e7f7e54a7
PDF
Publication page19d9ae13828071d882a630cc7fb013fdd6e4d24910ee8fdd8fd583d514308cf6
Manifest93643806d99eba03be8b51b554e727de4e7f73844f3c3177b66951a380ee9601

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
SignaturetG0/U+SpRnQhFrCiKvaiJj8iiuduBJ57sUt6u3kd/7aHghbk0JcU7XE5N6voVwlN8rfS0NrOoK5cvqijOe1XAQ==
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

2026-09-17T10:01:37.460017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081461
observed 19d9ae13828071d882a630cc7fb013fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.443078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081461/manifest.json
observed 93643806d99eba03be8b51b554e727de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.424782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081461/publication.md
observed 579f441c9e350383e63365b53ce6fe76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.407296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081461/publication.txt
observed 11aecb39ece78abc9df0df9ba76d3a3b...
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.