OpenTechnical

OT-2026-000080261

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000080261) never changes.

Identity and time

Publication numberOT-2026-000080261 · never reused
Internal UUID01a0ae96-7e77-72af-8d3f-27981f309de3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080261
StatusPUBLIC

Content hashes

Canonical textfe90a533d5bf68cfddc4ee1d3d6fd99c155127d68f8b47eadf0045cb0f1fbfad
Markdownfd0e7ebb1e9306e462d966da7597a3bb9ec36e3cca43c55b245c43077be7a9cf
PDF
Publication page01dfecfda9ca48049d8929893da1a57007faf6623b9ddc666f6109f136a26c85
Manifest8595c9a42391a2cb2d2c211c82e79fbe0e4aa81528f3cafcbaafcf646ea9a3e3

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
SignatureIWEH1apvV1l2AdK/6Zg3VpSufV/vJm119kpnLIOHKgGK0t/IDU4Ygz+Awg1YthAemKxOKWz5i8cdsy4lzuERCA==
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

2026-09-17T10:02:43.366993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080261
observed 01dfecfda9ca48049d8929893da1a570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:43.350812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080261/manifest.json
observed 8595c9a42391a2cb2d2c211c82e79fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:43.333717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080261/publication.md
observed fd0e7ebb1e9306e462d966da7597a3bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:43.316096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080261/publication.txt
observed fe90a533d5bf68cfddc4ee1d3d6fd99c...
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.