OpenTechnical

OT-2026-000094949

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, 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-2026-000094949) never changes.

Identity and time

Publication numberOT-2026-000094949 · never reused
Internal UUID01a0ae9f-2def-7801-ab83-358b46bb62b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094949
StatusPUBLIC

Content hashes

Canonical textb4594ba3d3242192a4b066fe2bf70300f9d5c8cdd3f3e20d388273f8bfe5922c
Markdown9a47e01e521ea2852277cd01f369e405bd0de5f391635df90aaea5b1fdc4f290
PDF
Publication page31ff472541738c61344051501601385054fb7d174cfc72b19ce2051c1d20eb38
Manifest45abc580d7cdf7bd09fe3aeabf7f261cf2091ddc12ec9a63e21fb2946608055c

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
SignatureAaN4qVOT89c9uYCZTcERwjI1XozPca8+iO9TlKcu0b91NZcKQkFrcowKPv+BxoB8hbcd/aIVyB1HkY3KwzBWBA==
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

2026-09-17T09:37:29.225513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094949
observed 31ff472541738c613440515016013850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:29.208369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094949/manifest.json
observed 45abc580d7cdf7bd09fe3aeabf7f261c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:29.189748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094949/publication.md
observed 9a47e01e521ea2852277cd01f369e405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:29.170647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094949/publication.txt
observed b4594ba3d3242192a4b066fe2bf70300...
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.