OpenTechnical

OT-2026-000099858

Publication integrity record

Four cup vacuum gripper, four 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-2026-000099858) never changes.

Identity and time

Publication numberOT-2026-000099858 · never reused
Internal UUID01a0aea3-1473-7641-9a75-40e5a39352f3 · 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-2026-000099858
StatusPUBLIC

Content hashes

Canonical textd21c3f366316a3e3ff966676a1669335440583f7d1dd1e090eddc2fa79b12216
Markdown71fc52e269e8fac8fdbc343a3d92f492cabf066290c53dbedd9f2aeb5aefdb51
PDF
Publication page414fcfd922ffe2a7c4f7f4c0cb47839f0673e796a7e80bcaf6f814bc0b361b5b
Manifest3b8b5a89a178c4ec7f5649efb78358128244359e1693751deef0dcfbd6c5880c

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
Signature9pvpRGim1AIpuNmuqdqzk8ypDUWqrnPAg+XZLxY36+zlmJENEZUde+o09y+hGsD2+gbeM3kR1eNcsRjvq5IOAw==
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

2026-09-17T09:30:21.915501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099858
observed 414fcfd922ffe2a7c4f7f4c0cb47839f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.896744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099858/manifest.json
observed 3b8b5a89a178c4ec7f5649efb7835812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.877883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099858/publication.md
observed 71fc52e269e8fac8fdbc343a3d92f492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.857247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099858/publication.txt
observed d21c3f366316a3e3ff966676a1669335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.898745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099858
observed 414fcfd922ffe2a7c4f7f4c0cb47839f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.880641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099858/manifest.json
observed 3b8b5a89a178c4ec7f5649efb7835812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.861819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099858/publication.md
observed 71fc52e269e8fac8fdbc343a3d92f492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.840556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099858/publication.txt
observed d21c3f366316a3e3ff966676a1669335...
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.