OpenTechnical

OT-2026-000103023

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000103023) never changes.

Identity and time

Publication numberOT-2026-000103023 · never reused
Internal UUID01a0aea4-be3d-756c-8fb6-09576b93c246 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103023
StatusPUBLIC

Content hashes

Canonical text86894d160b4b16231efb34cd327419fd35a18c0764554f032c814aeb1e3d7af3
Markdown1f5a3f2ebbddd6349b15a73956934015e9b5d44820f96585fb98e8cdb3909fbb
PDF
Publication pageb09fe6a5ba1ae48c4ee622501498dc2e75ce9800f0edf69da4606f74505c25a8
Manifestc4bb5fdb3f8b68a0a61d00e74d66822bf0ebb927dc46a2139f360f90d28ec2e0

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
Signature7AGS1mS0+xC0SBd+IUVIlIZJ/vv25CfwA9Z6Vv1GvKNzGiHbWjZMai+1wWNkkcg19PK9SVbxoRgruiS9iV+qDg==
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

2026-09-17T09:23:08.552385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103023
observed b09fe6a5ba1ae48c4ee622501498dc2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.535112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103023/manifest.json
observed c4bb5fdb3f8b68a0a61d00e74d66822b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.517908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103023/publication.md
observed 1f5a3f2ebbddd6349b15a73956934015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.499445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103023/publication.txt
observed 86894d160b4b16231efb34cd327419fd...
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.