OpenTechnical

OT-2026-000026309

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000026309) never changes.

Identity and time

Publication numberOT-2026-000026309 · never reused
Internal UUID01a0ae71-f4a6-7090-a445-36ad2ebdbbc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026309
StatusPUBLIC

Content hashes

Canonical textfbf1653b07e9228b8da297581af0e4a901975c69f7ec71404dc58e829157aac0
Markdowncaaf3c6f1605d89b1b87da3b609a05e941aeb0adbe4b24343cc6e1acbfb9ed14
PDF
Publication pageba56b33f9dea17855ce02550696dd8ca203d32c0f1bf484eb919173523312975
Manifestca6d409bf05a2b836c47c1eb0a27ea5d789dfbf6b7368ba8040e8c85f52562a6

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
Signature7oGcUBOp67p9tzQBelb1ZOs0NOi+mkE6OaEiQ59Ou07jtt/zT/xbKlW7A5sEhuPxcjdPQYIr9FCfH8RhP1PQAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:15.710003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026309
observed ba56b33f9dea17855ce02550696dd8ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.693777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026309/manifest.json
observed ca6d409bf05a2b836c47c1eb0a27ea5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.675219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026309/publication.md
observed caaf3c6f1605d89b1b87da3b609a05e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.659178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026309/publication.txt
observed fbf1653b07e9228b8da297581af0e4a9...
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.