OpenTechnical

OT-2026-000071750

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, vented 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-2026-000071750) never changes.

Identity and time

Publication numberOT-2026-000071750 · never reused
Internal UUID01a0ae92-1e91-7629-a40d-b832214ec519 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071750
StatusPUBLIC

Content hashes

Canonical textb2743002bf552067e61a5e3416cc43554e63175d569eb25b34f862ef77c78b30
Markdown0a04a9c01c1d213fed9855dbc7926ba6a8c589c2bd91d333e9a6e2706226f810
PDF
Publication pageec7b5720f1c12a4df7c9e73c39b8ae9b53eb4e79b050c4c68821b43a27519dda
Manifest909b3a52641bb18c43fe7a89391260d383396170385ed75af147e52d24262ead

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
Signature7Bz/MMmhQFIkEujMZUBK6jkh2B4Inx9QEH9tS6tLkZU1Pz+7pE2U1jmueodisIl0aD5hwEVUoHewUJRKEiENDQ==
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

2026-09-17T10:23:54.636555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071750
observed ec7b5720f1c12a4df7c9e73c39b8ae9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.616450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071750/manifest.json
observed 909b3a52641bb18c43fe7a89391260d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.597981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071750/publication.md
observed 0a04a9c01c1d213fed9855dbc7926ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.579658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071750/publication.txt
observed b2743002bf552067e61a5e3416cc4355...
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.