OpenTechnical

OT-2026-000102165

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000102165) never changes.

Identity and time

Publication numberOT-2026-000102165 · never reused
Internal UUID01a0aea4-50f2-7aa1-af38-991505799bdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102165
StatusPUBLIC

Content hashes

Canonical text303fd817efc9359fb641ae640b8b1d617671890e5fa330d112b7a61164378d98
Markdown3afbf179ef5ec1101d2a8966a3b3c3a83ced30b446a45bc853af3968abed36a9
PDF
Publication page89be7dc59fef62333377608e384bbac2c5fc517d057e50e5c37813f808def73e
Manifest4895be19038091092f4656f1c7261804d8a7d25f1c07a96e6e5095db59c61437

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
Signaturen+FupXKMM7Z2430tiH73BgIvdcd7bXDudppmguOCw2DluhNBSghz+ISp3YTPxmkrt1S3yX0LMIEYafgSmIExBQ==
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

2026-09-17T09:25:20.078742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102165
observed 89be7dc59fef62333377608e384bbac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.061500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102165/manifest.json
observed 4895be19038091092f4656f1c7261804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.042068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102165/publication.md
observed 3afbf179ef5ec1101d2a8966a3b3c3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.022234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102165/publication.txt
observed 303fd817efc9359fb641ae640b8b1d61...
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.