OpenTechnical

OT-2026-000091423

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000091423) never changes.

Identity and time

Publication numberOT-2026-000091423 · never reused
Internal UUID01a0ae9c-f16d-721a-bccb-c36810148727 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091423
StatusPUBLIC

Content hashes

Canonical text4da39af327837f0dcc741889cbe7087ff9d9c1f937be27b82f8b6be4ad2d1cbe
Markdown600fb3c596e627866f7dd1b3c4e4e556fd3a0d73fb55ab01d31530d4ff0c40ac
PDF
Publication page09e032bed01b9bf3865070f7d30fe6de971bc6841dc9d7b2813681775caab66c
Manifest2be91f2237018e20bbcb928df965a7420ae6ac5c7a87a59e096d482d1e36b66a

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
SignatureCF7xVZnROdzwjaAnlkR9XigZDjDbAiKCqCNElLIjhsbBPoQqd+zMszzKt21+FyYLPPmzw1N8SEy+16C9nujxCA==
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

2026-09-17T09:43:39.631877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091423
observed 09e032bed01b9bf3865070f7d30fe6de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.613403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091423/manifest.json
observed 2be91f2237018e20bbcb928df965a742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.595846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091423/publication.md
observed 600fb3c596e627866f7dd1b3c4e4e556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.576966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091423/publication.txt
observed 4da39af327837f0dcc741889cbe7087f...
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.