OpenTechnical

OT-2026-000083425

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000083425) never changes.

Identity and time

Publication numberOT-2026-000083425 · never reused
Internal UUID01a0ae97-c964-732e-98ad-ff87b52fd26a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083425
StatusPUBLIC

Content hashes

Canonical textc6c449efe720574c85630d761d4dd2a4e1514f43e3da16ded1232ca928eeed7a
Markdown428eadee64e8f9e155018266add69a6d1073c48f674c2008414fa09913d92d7c
PDF
Publication page4320fee0b8ec88f4bdd6ecfb86d04274b9b63cc28a33bcd5d41989713ce3d3c0
Manifestb74d5b8e8cfc684c2df6097c259542f54ece5c3e5692d8bcbc677b536b5d1248

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
SignaturehDzxoX6r8ow4NlpJTOoV987Lvd6VXarPv2WUwCAYKrNqjtvifO/DJKsLZEJPbYnC+vwT0Y+/3+R+n0IFUkBSCw==
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

2026-09-17T09:57:50.419070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083425
observed 4320fee0b8ec88f4bdd6ecfb86d04274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.402152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083425/manifest.json
observed b74d5b8e8cfc684c2df6097c259542f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.386086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083425/publication.md
observed 428eadee64e8f9e155018266add69a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.369405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083425/publication.txt
observed c6c449efe720574c85630d761d4dd2a4...
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.