OpenTechnical

OT-2026-000068641

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000068641) never changes.

Identity and time

Publication numberOT-2026-000068641 · never reused
Internal UUID01a0ae90-2483-78c4-b553-d2d22b5342b7 · 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-2026-000068641
StatusPUBLIC

Content hashes

Canonical text16636c17d496c681d090d546a6c63c41d3ab522cfdaaf082dbe4e584db0f4a28
Markdown1a63a113e84d1359d6e3460566a0501dee5afba3a003e52b932c964a5c8b23cc
PDF
Publication pagee5fcebb80c8319b88c29c9634e0b1e56d2d2408406dd3b75a3e6711cf0a3c030
Manifestf7704bb6b2d771cc598c5a594cb55c7f8e9a50528dce21b232c491d14eced7f0

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
SignatureKIrmT1X6d+2ndiQgyt9UcfD7WWhTTSHI9WBU/wz3B/5Idi3Ls6XxhKhBK7a+m5Jm1qHGcqiqX/PYxkfdru5MAA==
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

2026-09-17T10:29:49.987526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068641
observed e5fcebb80c8319b88c29c9634e0b1e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.961802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068641/manifest.json
observed f7704bb6b2d771cc598c5a594cb55c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.939512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068641/publication.md
observed 1a63a113e84d1359d6e3460566a0501d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.917028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068641/publication.txt
observed 16636c17d496c681d090d546a6c63c41...
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.