OpenTechnical

OT-2026-000086216

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000086216) never changes.

Identity and time

Publication numberOT-2026-000086216 · never reused
Internal UUID01a0ae99-e82c-73a9-95e6-4732d373179f · 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-2026-000086216
StatusPUBLIC

Content hashes

Canonical texta3a660c4b89c858e9bb46a4b8e6b3867157c0dff38f01fe82f8f2cd6c9afe9bd
Markdown7525ca49f068e6defd354c2c87c15d750b605b43e383a2d966d1c8932902c06a
PDF
Publication pageae15b15b6364dfa1096a1394cbfb000ab092f28ebd68e349019ea4aa33eec0b1
Manifestb39ff76678f1f5f3ffd0228a7f9bd3772b4bab7deef50c7606c9ca55b1a6217e

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
Signature5J+A7kbxtx254zOfl/adGgamV1unCHNOceHogLyN/4p7WgyCvV9syyMC8QUweMP6dqj2c4wTBJWRvjaSEdaeCw==
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

2026-09-17T09:53:54.000838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086216
observed ae15b15b6364dfa1096a1394cbfb000a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.983194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086216/manifest.json
observed b39ff76678f1f5f3ffd0228a7f9bd377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.963921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086216/publication.md
observed 7525ca49f068e6defd354c2c87c15d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.945884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086216/publication.txt
observed a3a660c4b89c858e9bb46a4b8e6b3867...
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.