OpenTechnical

OT-2026-000100071

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000100071) never changes.

Identity and time

Publication numberOT-2026-000100071 · never reused
Internal UUID01a0aea3-1474-7df3-b79f-2806bd4d2fdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100071
StatusPUBLIC

Content hashes

Canonical text3f5bdc7e84d27c109b67b49c4380f36b14dbe6bb037be87dd65ab65bde61eae1
Markdown676024961b6e0089d7cf3d5dfbbe80d5a4616b3ac67028ecd972bf6252d313ab
PDF
Publication page6094506ce4aa9b2ae38dae31ef96fcead5f7415f4c9364be486dddb720b4e773
Manifest3a6967d1f94a78a3e1745efa2f33ce2eb10042471364b3912448a40a29c51ad1

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
SignatureoMU9jc/kbue7lBz1YF10+Gff8shA9AEQPpbbgyOOfypbCPQMzxE9m5zR/6az2hxZPX+htodLafo8nQrVQiRAAg==
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

2026-09-17T09:29:01.153821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100071
observed 6094506ce4aa9b2ae38dae31ef96fcea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.135087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100071/manifest.json
observed 3a6967d1f94a78a3e1745efa2f33ce2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.114494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100071/publication.md
observed 676024961b6e0089d7cf3d5dfbbe80d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.096096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100071/publication.txt
observed 3f5bdc7e84d27c109b67b49c4380f36b...
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.