OpenTechnical

OT-2026-000089470

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000089470) never changes.

Identity and time

Publication numberOT-2026-000089470 · never reused
Internal UUID01a0ae9b-db02-72e8-bda4-889c5bae64e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089470
StatusPUBLIC

Content hashes

Canonical text53c3c8defd5bcaefc829329259f3d14196ae1ed79bac0a9d4d826c6eb05fd15b
Markdown17919bf65f2cb779b7df8bca208438c4e54502fe39dea8780a60d598e4a101be
PDF
Publication page27cf752375d1875baa3a2f7a6c576492cab58845f34f8a58fd32f728f37a2213
Manifest0d55ae6784c3363979eca887d01b36e48f395637a1d06feb7ea15b7ac5ab89ad

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
SignaturesOVCxP9j/0HYs+aa6QE7ZLssnKEgCcBeyEn1SfqDyKcClZw5bgAcdXTcTRyfrD3fzEU2ykpS5k8wbtyyDBIKDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:55.453904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089470
observed 27cf752375d1875baa3a2f7a6c576492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.437466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089470/manifest.json
observed 0d55ae6784c3363979eca887d01b36e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.420480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089470/publication.md
observed 17919bf65f2cb779b7df8bca208438c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.404359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089470/publication.txt
observed 53c3c8defd5bcaefc829329259f3d141...
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.