OpenTechnical

OT-2026-000010510

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000010510) never changes.

Identity and time

Publication numberOT-2026-000010510 · never reused
Internal UUID01a0ae6c-0ee7-7b69-bdf6-dab8807ce25d · 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-2026-000010510
StatusPUBLIC

Content hashes

Canonical textc9fa3ef76a89183bc146c78703ebf37cd043d925c615c218ab5242ca968f2809
Markdown6d07bbbfcd34c7e9a90a820bd103c7c9141461063a9107a3505d38df88081bb9
PDF
Publication pagec21a7595c63543098f00b9541fef3cbfbff9ea9519bd86fcbf5a2c1a1ed76a30
Manifest7fc83654ce6f966aaa868728a1f24ca41b9eb4e02d60e6bdcfad94cf73d822fe

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
SignatureUjFhR3YLh0zuV4lKj7Jr5j4jRJ6k5TwH40unOrwjZpn65nGNKxDTh6Ll6rg5YfcPAOlTyJ7dVUNb3QpGiBJxDA==
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

2026-09-17T12:14:39.985447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010510
observed c21a7595c63543098f00b9541fef3cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.966843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010510/manifest.json
observed 7fc83654ce6f966aaa868728a1f24ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.948657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010510/publication.md
observed 6d07bbbfcd34c7e9a90a820bd103c7c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.931426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010510/publication.txt
observed c9fa3ef76a89183bc146c78703ebf37c...
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.