OpenTechnical

OT-2026-000078148

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, vented 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-2026-000078148) never changes.

Identity and time

Publication numberOT-2026-000078148 · never reused
Internal UUID01a0ae95-6e8c-7c83-9293-920c3217568f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078148
StatusPUBLIC

Content hashes

Canonical textfc7920ac06fc25de2524a1e58ae2c49e4fec241632c5695bdef2c0b023e4f926
Markdowna676dbb1188821446ea7c9bdbc5f98d9ba29263aae8dd22b8e09fe5a5f48d08b
PDF
Publication pagee0f8177cac66262041e6b5ac141995e5eaf8615b9ab61b0e2dfbbca86a240903
Manifest216052e27474459cf3453b6e17dea6eaf9e149375e247b72b80d9e76a71ed397

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
Signature3DKz0jAh2vXZwx1J4qiaDZgCbPywN0zo/ESDpfuSSl6WHfC2dchapbiN5Mc4iqokWO2BXqLDrkIjOqXR+xS2Cg==
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

2026-09-17T10:06:51.714268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078148
observed e0f8177cac66262041e6b5ac141995e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.694436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078148/manifest.json
observed 216052e27474459cf3453b6e17dea6ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.675262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078148/publication.md
observed a676dbb1188821446ea7c9bdbc5f98d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.657193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078148/publication.txt
observed fc7920ac06fc25de2524a1e58ae2c49e...
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.