OpenTechnical

OT-2026-000091463

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000091463) never changes.

Identity and time

Publication numberOT-2026-000091463 · never reused
Internal UUID01a0ae9c-f16d-7caa-9002-d085a61cd45e · 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-2026-000091463
StatusPUBLIC

Content hashes

Canonical text8eace1874275a87af950d6a3fb9616dd8e3b27eea80a66f5e789c4bc81b67d50
Markdown2e3c7f46f4da1ef7b7a24fd08cb5c51086a00956c0d9ca3a768bdbcc5c035faa
PDF
Publication page386f4b816b4802178381481257ca07740b1c1334e5bc130edcad1673eb3401df
Manifestde83c0f665ba7a1d2fa7f3939f450c82998883d5fa9251098ec69e0890208bf8

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
SignatureMqMUa5UK6wO9tFLy21F+xlgkhhwv49BS1JnHrGHBtJ+4S/iH5lfqBd30ttLZE1hbdpyzJKURRLATOIzh1DHABA==
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

2026-09-17T09:43:29.604537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091463
observed 386f4b816b4802178381481257ca0774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.586966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091463/manifest.json
observed de83c0f665ba7a1d2fa7f3939f450c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.569137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091463/publication.md
observed 2e3c7f46f4da1ef7b7a24fd08cb5c510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.537328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091463/publication.txt
observed 8eace1874275a87af950d6a3fb9616dd...
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.