OpenTechnical

OT-2026-000085749

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, sustained blow-off before set-down

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-2026-000085749) never changes.

Identity and time

Publication numberOT-2026-000085749 · never reused
Internal UUID01a0ae99-aaae-759c-88ba-bd24f2f8f127 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085749
StatusPUBLIC

Content hashes

Canonical text1027c511b6fb89d762267bb02ae0ed60d7e94182f3740bb93881701cad66decf
Markdown62dfc976fde5ed1f5cb09f2d473a27944d3ab993d9291db8c9204c35d45a6b42
PDF
Publication pageb988abe64a5b9c20ea1fe653ea0a9996c68d564699799c30b5004978f2170047
Manifesta9e85a52fbf6f826a4b89053555ad28eda128cddabe4563cd9e3862f3d200839

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
SignatureUixEfjuV9J9i++1ifRLJZX4Kek10S3jHuQzmAry5WonI8wQtZornB2U5KhGJh3nGhBSg2nObAB5qsZxZzN/ADA==
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

2026-09-17T09:54:40.007440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085749
observed b988abe64a5b9c20ea1fe653ea0a9996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.991003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085749/manifest.json
observed a9e85a52fbf6f826a4b89053555ad28e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.972576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085749/publication.md
observed 62dfc976fde5ed1f5cb09f2d473a2794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.949729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085749/publication.txt
observed 1027c511b6fb89d762267bb02ae0ed60...
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.