OpenTechnical

OT-2026-000081241

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000081241) never changes.

Identity and time

Publication numberOT-2026-000081241 · never reused
Internal UUID01a0ae96-f373-7975-9ae8-beede6cde880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081241
StatusPUBLIC

Content hashes

Canonical texte754d028ce58952c9c95c6f0001898136a469cff53fa34c64ce8813327cc0978
Markdown876c9b5b987fb49b2f31613d48c0bb4f145c561868036e0a661638916abc5bc2
PDF
Publication page9e82f8d0e7a79102c8d743111f23535ae2c801baa2385d10690cbf51bae48563
Manifest72117bdc14a0d97501531774b14818c47ea2d349494cf8b1cabfae18b77d9496

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
SignatureEcG6xHtau6UOEae38XqiPKFxsCzRZd3Ib1nQ2a3dCgCFe6PmcQQAnuZQEN45GktDxCwI2AHAipAjnsTbhPkhAg==
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

2026-09-17T10:01:19.805967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081241
observed 9e82f8d0e7a79102c8d743111f23535a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.787435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081241/manifest.json
observed 72117bdc14a0d97501531774b14818c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.770681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081241/publication.md
observed 876c9b5b987fb49b2f31613d48c0bb4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.753544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081241/publication.txt
observed e754d028ce58952c9c95c6f000189813...
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.