OpenTechnical

OT-2026-000032317

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed 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-2026-000032317) never changes.

Identity and time

Publication numberOT-2026-000032317 · never reused
Internal UUID01a0ae75-106d-7531-86e9-8ea7d917208c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032317
StatusPUBLIC

Content hashes

Canonical textd395856e5ee84cc74c1a1e34e055862506e90f297325898f7a6d8d64e886b05a
Markdown62a6b5990f94c9467dbed670b3fc1517e85bd772d64dab2729ec0cff19e43971
PDF
Publication page90bf4d1d165d9d00cbaf2ebc948d164fdc3cd7d7b21c143c3e16ea36ce00e9fd
Manifest1b2f04f6d5779b95d23d5e107a65cca2eff96bb37e7acfd3b3b75fffe2fb852c

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
Signature1CQ9YsaR+ZxhR/rkNmMetfpEx6KhjWq7sPYHSde/+Ch4JwAtiXpMEAdcYggG3TvqX+CAR0ekC4s7IWcls0OvDQ==
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

2026-09-17T11:33:09.205285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032317
observed 90bf4d1d165d9d00cbaf2ebc948d164f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:09.186793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032317/manifest.json
observed 1b2f04f6d5779b95d23d5e107a65cca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:09.165876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032317/publication.md
observed 62a6b5990f94c9467dbed670b3fc1517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:09.146437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032317/publication.txt
observed d395856e5ee84cc74c1a1e34e0558625...
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.