OpenTechnical

OT-2026-000086260

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000086260) never changes.

Identity and time

Publication numberOT-2026-000086260 · never reused
Internal UUID01a0ae9a-2c95-7e29-8c45-4233aa5c0032 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086260
StatusPUBLIC

Content hashes

Canonical text115c06e3dc7f6a2108408730dd4f9ab9886e78e88b426c2e02934b1647bbf86f
Markdown4241074023d0e6fa757543da74cae223b99be21c1af31a3ea51b8a610c346166
PDF
Publication page7598ca210edd89ec2234e3812bbab32eaf735e08b0009eb5ca29d82196656b8c
Manifestd3fb19eb67527835fcc35611a5d3573ac7fcf2f3fbc4412ffc00e653c6dee136

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
SignaturemaOh5ecRXqryrd3te8qalQWc99nvcHQ9ZCRMUtVLSo7gQSPjX75U0V9sxawoS21gW4wlOGDeQ0kddKUU5atUDw==
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

2026-09-17T09:51:55.604998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086260
observed 7598ca210edd89ec2234e3812bbab32e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.586814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086260/manifest.json
observed d3fb19eb67527835fcc35611a5d3573a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.570024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086260/publication.md
observed 4241074023d0e6fa757543da74cae223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.552138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086260/publication.txt
observed 115c06e3dc7f6a2108408730dd4f9ab9...
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.