OpenTechnical

OT-2026-000023767

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pulsed 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-2026-000023767) never changes.

Identity and time

Publication numberOT-2026-000023767 · never reused
Internal UUID01a0ae70-aed5-776e-9726-45f9280665ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023767
StatusPUBLIC

Content hashes

Canonical text855ba3c36de3bdb79a92839c0a17ebd40c4031a016b12c7123757f4ea8f34345
Markdown7017c72ea65f78a18856bc9797a22ee958180acb0eeb14a2517842f7df6f7f1f
PDF
Publication pagecd7187ebf0605fe1fcaa51544e6a9c8440996b5d9b0320ffdc6586751e5372af
Manifest98c9e5dd5c28f042ab30464613467ecde508174334bf256399c8071f89d8314b

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
SignatureW2bElWH3QgdZYTgE/uINxjHvxNAZqFrOthwMvshLjHar6BOp7rzOU/BzMJP+GctdvdmeMz5YLJRO6pAlSBv4Dg==
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

2026-09-17T11:50:13.826354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023767
observed cd7187ebf0605fe1fcaa51544e6a9c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:13.802920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023767/manifest.json
observed 98c9e5dd5c28f042ab30464613467ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:13.784094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023767/publication.md
observed 7017c72ea65f78a18856bc9797a22ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:13.766164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023767/publication.txt
observed 855ba3c36de3bdb79a92839c0a17ebd4...
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.