OpenTechnical

OT-2026-000104395

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000104395) never changes.

Identity and time

Publication numberOT-2026-000104395 · never reused
Internal UUID01a0aea5-3421-7543-ac19-a2cb9838f089 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104395
StatusPUBLIC

Content hashes

Canonical text9fb2c7deff7e0a872faf9cb359abdbdce7d9ab0ede3d9fc594f4d7846747ca2c
Markdown3b1b4b19e3d02f3870493b751096ba162d14c222cf087286fc1fc398566b040a
PDF
Publication page5f1c2c3662198b4029d25f1d4420128a0f94ebaa3389a0c2527d9bc6d77151db
Manifestd206f36d0bd653f756eab0eb9a6726c13475905978c44c81dad99f414c876882

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
Signature6qpksaTCV2fIa9FqAeWwQa7fey/+ii/whEqVQW9M1oiMcmiQjIeUAnI4WQbeGxMGvsWiZz9hCmFhwAz9/kenBA==
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

2026-09-17T09:21:39.781596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104395
observed 5f1c2c3662198b4029d25f1d4420128a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.763759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104395/manifest.json
observed d206f36d0bd653f756eab0eb9a6726c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.746746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104395/publication.md
observed 3b1b4b19e3d02f3870493b751096ba16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.729177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104395/publication.txt
observed 9fb2c7deff7e0a872faf9cb359abdbdc...
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.