OpenTechnical

OT-2026-000094004

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000094004) never changes.

Identity and time

Publication numberOT-2026-000094004 · never reused
Internal UUID01a0ae9e-92c9-7fc9-bad4-ed5938687248 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094004
StatusPUBLIC

Content hashes

Canonical text92db50ebfea0c5ac560dacf2564c367fd2ef89e5f41149eab9d58161567c3c79
Markdown6eeb4176f579f74bead8964d74aeb28def0c9e8c63115d85b9622cd8d75d4f0c
PDF
Publication page08876e77f93e15e9da48bdafa80b440e1cae73259d30bcb0b09d0b9d5800f791
Manifest842ce2058bc27d4250d02420c481fb3e282307bacc921e4dec9ef7b520c6155e

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
Signature/IviwbiX2PS5EBTvx7qe3EuEo7u9s105SrQFQAPJCXWnFdaMs9fL5Qs19AgBO+O2nUrVnnQLX8wxY8+OGWBzCw==
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

2026-09-17T09:38:24.790479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094004
observed 08876e77f93e15e9da48bdafa80b440e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:24.771809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094004/manifest.json
observed 842ce2058bc27d4250d02420c481fb3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:24.753977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094004/publication.md
observed 6eeb4176f579f74bead8964d74aeb28d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:24.735545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094004/publication.txt
observed 92db50ebfea0c5ac560dacf2564c367f...
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.