OpenTechnical

OT-2026-000059580

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, sustained blow-off 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-2026-000059580) never changes.

Identity and time

Publication numberOT-2026-000059580 · never reused
Internal UUID01a0ae89-ec23-7817-8532-43a67551e27c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059580
StatusPUBLIC

Content hashes

Canonical text59782ec10ae8ce0d682cf23034b129381d3bc9de37a801ed65b95275600f9099
Markdownc085929278b486c6106c61d6bc50f9783ae094d96b6df9f040edb68b4aec97f2
PDF
Publication pagea07d24b0380f2c4e01749d2a34452ed419320b9f407cc3a745a4546a2c3a86a4
Manifest7fff8dda7e7772cb4819deb1fbfa084b8ccd4f0846cf056131a8fd3675c93591

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
SignatureGIBQofAb0IetRvKUx2kXsqZ60brGl5neIXC6N832KHY1XyPkWObITfeJemJf5tJy9FImRZ7P8vIj/AJFcjxUAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:13.763585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059580
observed a07d24b0380f2c4e01749d2a34452ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.745429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059580/manifest.json
observed 7fff8dda7e7772cb4819deb1fbfa084b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.727315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059580/publication.md
observed c085929278b486c6106c61d6bc50f978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.708818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059580/publication.txt
observed 59782ec10ae8ce0d682cf23034b12938...
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.