OpenTechnical

OT-2026-000079730

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000079730) never changes.

Identity and time

Publication numberOT-2026-000079730 · never reused
Internal UUID01a0ae96-4375-723e-802f-f8ea1c5f624f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079730
StatusPUBLIC

Content hashes

Canonical textc0b4362202be38950bae6b1c584e124a12bd11dbc6a0c9b1d5355198dd80b14b
Markdown5d760facc0f40f531cc83d9851ee65366d5b35b43103d7309d81376309d7a28e
PDF
Publication page7a283b9bb183b551eed801f0088a61df274a274664997b529ca148eff2352aef
Manifest9050e5a40e02e91aff37d8d58cc485c01701303ca453664034ac1b4ef17e71e8

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
Signature7wRFSdsoooZy0bfsjI2XbHjaPEIvhWiCzMSvwQ2CEuYTATwsgTXMY5MsgLsUAQuIlbmzrdbnzIefFrKhFDMcDg==
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

2026-09-17T10:03:35.775812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079730
observed 7a283b9bb183b551eed801f0088a61df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.758314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079730/manifest.json
observed 9050e5a40e02e91aff37d8d58cc485c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.739828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079730/publication.md
observed 5d760facc0f40f531cc83d9851ee6536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.720617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079730/publication.txt
observed c0b4362202be38950bae6b1c584e124a...
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.