OpenTechnical

OT-2026-000010750

Publication integrity record

Single cup vacuum gripper, pump fed, vented after 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-2026-000010750) never changes.

Identity and time

Publication numberOT-2026-000010750 · never reused
Internal UUID01a0ae6c-0ee8-721f-8382-dc45acf7e7c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010750
StatusPUBLIC

Content hashes

Canonical text0b4ff4062fecf5d9ed57ac305c6c670302a56126f95f14298b83483d42cf71f5
Markdown95a3089045e121205ad6c41c0d2490e32196a08816a9c4ef0de4295cb3e045dc
PDF
Publication pagefd44d0b98e0538e8b5381ef4b57096d0b1b3d066bf0742840ad58c66f5a9ebf4
Manifest37843ca0c3a001482651a36df0f7375f1d3c4f4a9f57c95670e27b6be36171d6

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
SignaturetP4bnOKFc8ffSUPNEuHLe+mHZpFcy9ZKjUrGHFx/XO/z4Mk4ftLhlhykxUEBcndk5+twRQks+5d3+dZaV3bkBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:58.952962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010750
observed fd44d0b98e0538e8b5381ef4b57096d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.932904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010750/manifest.json
observed 37843ca0c3a001482651a36df0f7375f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.912388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010750/publication.md
observed 95a3089045e121205ad6c41c0d2490e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.891490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010750/publication.txt
observed 0b4ff4062fecf5d9ed57ac305c6c6703...
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.