OpenTechnical

OT-2026-000080869

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000080869) never changes.

Identity and time

Publication numberOT-2026-000080869 · never reused
Internal UUID01a0ae96-b974-737c-9249-a3abe1821a39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080869
StatusPUBLIC

Content hashes

Canonical text5e11a7e579364540b9ce5feb662e2905bd4b3549a850f4a5eb955cf573b8cdb0
Markdowna0230526cfd2c49cdd9ad873a9f197c9858d2b8ed0da17dbe87eec3582278547
PDF
Publication pagec167bab544a887bdafa21b2d5a1033a068ddf9bbff02976bf1777add7c923f9d
Manifest6909bfcfea2f86e795b83e46e1f3af647a3835ca99757908885800d18d1cf286

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
Signature/2IQkcfAbFuzkzbUkYG77llwwRuILwvZ6RlnqFsSQY9KHrBWilsuOVITJWXz5l8qYA/XpFFgpsqyp15b21/mBw==
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

2026-09-17T10:02:03.934531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080869
observed c167bab544a887bdafa21b2d5a1033a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.916805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080869/manifest.json
observed 6909bfcfea2f86e795b83e46e1f3af64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.900155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080869/publication.md
observed a0230526cfd2c49cdd9ad873a9f197c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.883137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080869/publication.txt
observed 5e11a7e579364540b9ce5feb662e2905...
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.