OpenTechnical

OT-2026-000085893

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000085893) never changes.

Identity and time

Publication numberOT-2026-000085893 · never reused
Internal UUID01a0ae99-e82a-78d5-ba38-6a5895bcb403 · 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-2026-000085893
StatusPUBLIC

Content hashes

Canonical textef0aa6cb45f0f9aa60862e5a2e20a5e2f0ac4d6fdf83cd3bd6e3ade728d4a447
Markdown726f82aa66aa66d4ffe5588dad3359e7154572a9bbdd699cac7a56b6fb53cff8
PDF
Publication page9d3c3cf05ecb705cd612d4143d4586533eeb7a900df1020eeecd18ee46ee81d5
Manifest66765353d8c67716dd471d18303903f29854b9f7398245df229d4459a7d9393a

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
SignaturerfNCv/i62Z6AKrpWq96LdynwhD2M/yueuxRLMacsxyYbpvo1jDBSzADyAHT14Gk9fd3WzvRA+3aJSmI04nYnAw==
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

2026-09-17T09:52:50.036692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085893
observed 9d3c3cf05ecb705cd612d4143d458653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.017638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085893/manifest.json
observed 66765353d8c67716dd471d18303903f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.000970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085893/publication.md
observed 726f82aa66aa66d4ffe5588dad3359e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.982130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085893/publication.txt
observed ef0aa6cb45f0f9aa60862e5a2e20a5e2...
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.