OpenTechnical

OT-2026-000083618

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold 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-2026-000083618) never changes.

Identity and time

Publication numberOT-2026-000083618 · never reused
Internal UUID01a0ae98-0416-7e9d-bd4b-4a311664243b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083618
StatusPUBLIC

Content hashes

Canonical textf5bf413aa205c0e09f58039db36489ebc6dbeef817f8ce532cb803063fde5415
Markdown3bb29f88fe2c43759521c038b0d83eb43fd8b5210b37f2ad9cce543261de3712
PDF
Publication pagec1a820ce05793cf37f9ecf09480cc4520299dcece9949cbf0ee1f93fa02598a4
Manifestc0f66f0ddbf2d44120818565d980a5fb867e819c19e064fa39e39e83b8ef14a2

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
SignatureFtH85W+F2aW+PY7i9je8IUOWNhx6yFpuiCa88n/pUhjEIFR0Z94IS7fNviLPh0jjDlCAV7iqXVauSPOiPlDVDg==
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

2026-09-17T09:57:06.986744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083618
observed c1a820ce05793cf37f9ecf09480cc452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.968211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083618/manifest.json
observed c0f66f0ddbf2d44120818565d980a5fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.949680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083618/publication.md
observed 3bb29f88fe2c43759521c038b0d83eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.932468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083618/publication.txt
observed f5bf413aa205c0e09f58039db36489eb...
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.