OpenTechnical

OT-2026-000050133

Publication integrity record

Single cup vacuum gripper, two stage ejector, vented 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-2026-000050133) never changes.

Identity and time

Publication numberOT-2026-000050133 · never reused
Internal UUID01a0ae82-5c45-7cb5-98a5-47015b3abeda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050133
StatusPUBLIC

Content hashes

Canonical textd7bfc7bf521fca0d8aefe098eb7ca0c584caf3f2b28e6ad492c5f9603addbd97
Markdown9a50a65cb8d4e2a0238e79f4a7448df9572d3d21ddb387455869cbe666f0b71a
PDF
Publication page8e264bcc993250cd7d8587d6d7f725fe752ebfc25404ef1aeb100b12c61c1363
Manifestd5c2999bd26389d1ef3d9e1b881f2c7183cd5e9ca7bc224f5ffd0d20e7d1d42c

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
Signature3LE/jm/KJ+s6yC33NHWWpqGAxjXi6BOwFP1Hu3JheDSQZeOeHfrLrY5j/5HeP5m56G6NWvz5s/rg+41E/uAoBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:06.027988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050133
observed 8e264bcc993250cd7d8587d6d7f725fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.009850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050133/manifest.json
observed d5c2999bd26389d1ef3d9e1b881f2c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:05.955492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050133/publication.md
observed 9a50a65cb8d4e2a0238e79f4a7448df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:05.895082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050133/publication.txt
observed d7bfc7bf521fca0d8aefe098eb7ca0c5...
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.