OpenTechnical

OT-2026-000070606

Publication integrity record

Single bellows cup vacuum gripper, single 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-2026-000070606) never changes.

Identity and time

Publication numberOT-2026-000070606 · never reused
Internal UUID01a0ae91-5460-7493-acd7-d7d2a3f48540 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070606
StatusPUBLIC

Content hashes

Canonical textab5ee7b3bfb1d35efde7a153d7a1140240f0e8b145debee11b33dcaf6c06731a
Markdownd2db3d6ad49afeea6431cdfe49d21060aed0271559b68daf2b5df8be187eca5d
PDF
Publication page85d409f983f9ec9a25babe7484a6c6f480864ba5ea96de53a963e024a8c40892
Manifest138728ced7f14ddde86c1602aaac2821dc32e98a3e8c62403adca483a2bc0764

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
SignaturePF5N82TSK6sm6y7s0sKaRwu9bZdXF0OZiXvWHJzehpnn0d4BxV8lP02d6lLmNHvOJShX4zh/gLk0jiRrPiMsDw==
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

2026-09-17T10:26:27.904513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070606
observed 85d409f983f9ec9a25babe7484a6c6f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.887667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070606/manifest.json
observed 138728ced7f14ddde86c1602aaac2821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.869655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070606/publication.md
observed d2db3d6ad49afeea6431cdfe49d21060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.849575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070606/publication.txt
observed ab5ee7b3bfb1d35efde7a153d7a11402...
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.