OpenTechnical

OT-2026-000079378

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000079378) never changes.

Identity and time

Publication numberOT-2026-000079378 · never reused
Internal UUID01a0ae96-0b90-72a8-a578-976042b46dd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079378
StatusPUBLIC

Content hashes

Canonical text4376115cab10012dde1dbae1529727df17307babc41783940050b65e67aba306
Markdown33c98acca05242e8db370aa0685cae6a1e2812ab6db64bf983155f9c69439e38
PDF
Publication page70dda82d89d6d65e732a4188bfa1efec91ab7dc230734bc09b20bd0760b32c7e
Manifest1144b77bfcc1e7f829586c0a9e161bba0b01f068727a0819b62e54fe224e1263

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
SignatureqKF3fTyNk5O4Vwa5jIWhxOilGu2+6mWtjJn8EUZj30eFe5RaieG9x12ALM6+3QntgXVU2vsu6hUeLt2cvi3bAw==
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

2026-09-17T10:04:59.915760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079378
observed 70dda82d89d6d65e732a4188bfa1efec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.897886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079378/manifest.json
observed 1144b77bfcc1e7f829586c0a9e161bba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.880803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079378/publication.md
observed 33c98acca05242e8db370aa0685cae6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.862901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079378/publication.txt
observed 4376115cab10012dde1dbae1529727df...
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.