OpenTechnical

OT-2026-000071466

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000071466) never changes.

Identity and time

Publication numberOT-2026-000071466 · never reused
Internal UUID01a0ae91-e0ed-78b0-a2f2-1683d9c90478 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071466
StatusPUBLIC

Content hashes

Canonical text595a23f466aabd0d3a1643fb5eb3dc3a6c1f92b50fe262641a340cba0ce005f5
Markdown3e7305fccb7f538379c35183c6c63821bf664a55e97bfeef8c8141e2116e950e
PDF
Publication page462934659f92fd4e97586ba828256eb4fc142a6f2ce3e78d819dc35f0300856c
Manifest539bf130016d7871efd26dd57ed3a834a2781654a837a8e7b98400afcbf5ce5f

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
SignatureT2PwXQY5k4sMb+NCB2MFZ5iJle/JgZH2A6kkaH1+YHuUiLhQ5p9IUI29+LFUOX/5Y0H3w/7iUkHesCM78avKBg==
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

2026-09-17T10:24:47.723543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071466
observed 462934659f92fd4e97586ba828256eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.708677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071466/manifest.json
observed 539bf130016d7871efd26dd57ed3a834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.692520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071466/publication.md
observed 3e7305fccb7f538379c35183c6c63821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.659408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071466/publication.txt
observed 595a23f466aabd0d3a1643fb5eb3dc3a...
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.