OpenTechnical

OT-2026-000100085

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000100085) never changes.

Identity and time

Publication numberOT-2026-000100085 · never reused
Internal UUID01a0aea3-1474-7cab-8f97-805c1cb3bf50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100085
StatusPUBLIC

Content hashes

Canonical text2d6a2222dd5b4afae8af0a841adc71f52e445ef85ac483c56a4b9a4697c1eebb
Markdown8939d3846c182ae92ef60f99fec4113e514f7f7eb4507733b25e943b63795d3f
PDF
Publication page0f9a15cfd85839e822208b0764a652791f03f8b9789696ae1dedafcca31f0155
Manifest3f9311d2b485b851f1ccd5120c90d4e7fed3bbf612c15d514682893d33874932

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
Signature2gQaHkY7mm3qxuLeQVs1zKFvxp5G9J9zB2DhdOsRt6xzSstQdopqKyBLmGpowfSxWLYNTr+EnmRYuD8zqxlUAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:02.264760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100085
observed 0f9a15cfd85839e822208b0764a65279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.247032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100085/manifest.json
observed 3f9311d2b485b851f1ccd5120c90d4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.228598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100085/publication.md
observed 8939d3846c182ae92ef60f99fec4113e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.209302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100085/publication.txt
observed 2d6a2222dd5b4afae8af0a841adc71f5...
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.