OpenTechnical

OT-2026-000099387

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000099387) never changes.

Identity and time

Publication numberOT-2026-000099387 · never reused
Internal UUID01a0aea2-c973-7aa6-97b1-0ccafbba5c4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099387
StatusPUBLIC

Content hashes

Canonical text2dd43ab32a42911f0ab9857490f494ac7b04369671a0ec5bd0b5de989088e804
Markdownb4503b793932d6b0393ffa08e4d48a24572bf488d5b77add96e22bad6f7d9f42
PDF
Publication pagec2fef7f28750a5253bb3dfa9e66879437f77b4f2d46b3e7e193ba32ecf34e6e7
Manifest8b6bad870b2217a959d1990b3dd07fe29bd6ceec66b93c7c1b473411ca23a35f

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
SignatureoJ/2PpbzwOTsEu8oFBu6sXKRhgv0A312O0Qnk8AcnbvuE/KYHUP0v1wbv4RLRrP3gZP6ogj/dq7h0JvNa8JZDA==
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

2026-09-17T09:29:08.882595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099387
observed c2fef7f28750a5253bb3dfa9e6687943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:08.865486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099387/manifest.json
observed 8b6bad870b2217a959d1990b3dd07fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:08.845700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099387/publication.md
observed b4503b793932d6b0393ffa08e4d48a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:08.826938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099387/publication.txt
observed 2dd43ab32a42911f0ab9857490f494ac...
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.