OpenTechnical

OT-2026-000079582

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000079582) never changes.

Identity and time

Publication numberOT-2026-000079582 · never reused
Internal UUID01a0ae96-0b92-76b2-a93b-2cc8b063a959 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079582
StatusPUBLIC

Content hashes

Canonical text01b34dc35b645bb005ed542119e357c736c8bb836dfd6e6e7d1aa6e01176f89b
Markdownb27caf37d222523303f56257fa46dfc83775f04834adf70d58908f4d09210f39
PDF
Publication page72501e270720e048c4e25a118da233aaf1ba30f479ad59d29a9319f6b7da581b
Manifest0685c9fbb652045ba33d9796d34f34bcd8a467fa40d3b6580d5c8457c899d1f1

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
Signatureli6bVpfq9lomlmj08IJvJEHz5y+VN/hiB2mXRfaWBpcv9ERM09GDXGE5fpntZTrSWrXrPQPP8QZGpI6GwO7dAw==
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

2026-09-17T10:05:14.203041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079582
observed 72501e270720e048c4e25a118da233aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.177182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079582/manifest.json
observed 0685c9fbb652045ba33d9796d34f34bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.157303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079582/publication.md
observed b27caf37d222523303f56257fa46dfc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.066222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079582/publication.txt
observed 01b34dc35b645bb005ed542119e357c7...
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.