OpenTechnical

OT-2026-000091306

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091306) never changes.

Identity and time

Publication numberOT-2026-000091306 · never reused
Internal UUID01a0ae9c-f16c-744f-9599-c0d402e5b448 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091306
StatusPUBLIC

Content hashes

Canonical texta196aed2836d3dd4e91c0992f19174add88586a094dd11c692546b949ae6ca08
Markdownf1563e460b20bcd5e47feec75d508ac3d5474b0c1eb564aad814fa214411e961
PDF
Publication page037b58a16aa624958d6803c4b6e1ba506a5b055524e5aa859bb8cb94eda34b8c
Manifeste2bd5650aa333cbf2b3f7ebe446352c9c1a214b50659ec4d8a2353659a83b47d

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
SignatureFGy/XoLigTnK3iWziYwWmswMSZerv9F5bZf/GTgIVAR5byjtVrS8gU81/qX8kr/jFRPKGm34NiJxTe1MsoF3DQ==
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

2026-09-17T09:43:30.351949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091306
observed 037b58a16aa624958d6803c4b6e1ba50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.333335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091306/manifest.json
observed e2bd5650aa333cbf2b3f7ebe446352c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.316473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091306/publication.md
observed f1563e460b20bcd5e47feec75d508ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.297891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091306/publication.txt
observed a196aed2836d3dd4e91c0992f19174ad...
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.