OpenTechnical

OT-2026-000086246

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000086246) never changes.

Identity and time

Publication numberOT-2026-000086246 · never reused
Internal UUID01a0ae99-e82c-7452-a258-881a9969f86c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086246
StatusPUBLIC

Content hashes

Canonical text2705da2d1094561c3e45ca525299aa4cadec5fd150a37bf8520930bbabe8decd
Markdowndbe39f7152520b4c4f1580236c2ef208206431b245dca3601910db9aea3c9b15
PDF
Publication page394465de7469c35b840234257670a5942d8f8cd14a25e2349cf06e5b1ea5631f
Manifestf2c3a8d869bcd7d70da0180cb79581f11f2e4528909ea4fc7ecb36730ddec836

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
Signatureuk+ZKY7Vcsn8gweNG1QlmKFbbOYii/6U26kLlWu2nmQ4P6JPFXTobAn4cZ7AJ5xe32/+uPaA8M/qgOFobXB3Cw==
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

2026-09-17T09:53:56.199139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086246
observed 394465de7469c35b840234257670a594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.181500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086246/manifest.json
observed f2c3a8d869bcd7d70da0180cb79581f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.162995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086246/publication.md
observed dbe39f7152520b4c4f1580236c2ef208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.146530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086246/publication.txt
observed 2705da2d1094561c3e45ca525299aa4c...
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.