OpenTechnical

OT-2026-000098968

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000098968) never changes.

Identity and time

Publication numberOT-2026-000098968 · never reused
Internal UUID01a0aea2-8286-70fd-9ea8-e1a6036c2564 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098968
StatusPUBLIC

Content hashes

Canonical text61e1b37013ee7bc721c7da97c4af8d5d549cb26d2da6d62c140fe5d21764ea1c
Markdowna2e9c22265db2424d9ee92f31ee7b0f23d09d8525e1728873785d6d69415be21
PDF
Publication pagec16438f33469780da474cbe487b7b12426456c9bf38a68a088fb4b0cb2a58cfd
Manifest629774f08968479078e8e528fc65280be56126972420c78805b657ba2eb0e9c1

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
Signature7jAB3TSVrQES4QlUx+ASNFIsUcPFY6yzO06qkzcuIT138y0qoYcj0NMC2RZ0XJX0JJyc0jhmT9nmtBSS+ZB4Dw==
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

2026-09-17T09:30:02.690902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098968
observed c16438f33469780da474cbe487b7b124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.674609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098968/manifest.json
observed 629774f08968479078e8e528fc65280b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.655719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098968/publication.md
observed a2e9c22265db2424d9ee92f31ee7b0f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.638248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098968/publication.txt
observed 61e1b37013ee7bc721c7da97c4af8d5d...
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.