OpenTechnical

OT-2026-000104425

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000104425) never changes.

Identity and time

Publication numberOT-2026-000104425 · never reused
Internal UUID01a0aea5-3421-7f42-ac11-27975e12cd8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104425
StatusPUBLIC

Content hashes

Canonical text9443dc9adf9a4b8ac808974fa875ed082801d978141042b1d75d7e03d1f2acea
Markdownd767b9fbd865b180bb18ec957539529017fb92c77b1177f312012230971d9ed8
PDF
Publication pagee5e08c9416bfe5bad9a6f800922619188ccd656225b89489b85b5aeac5d8c41c
Manifest984a50bbdc964c461e4e5a32c93186fb3c7a44350254cad5d5ee806f73762e3c

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
SignatureRBZvuIMS+A6ABuAPlqgb1WlDfn9z8D/+a1Vv10W8VW19OedBH/5IuRxySsd4tgqn5Bq34rYvCPbhKT6zvQClAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:41.972436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104425
observed e5e08c9416bfe5bad9a6f80092261918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:41.954660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104425/manifest.json
observed 984a50bbdc964c461e4e5a32c93186fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:41.936592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104425/publication.md
observed d767b9fbd865b180bb18ec9575395290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:41.919905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104425/publication.txt
observed 9443dc9adf9a4b8ac808974fa875ed08...
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.