OpenTechnical

OT-2026-000067268

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000067268) never changes.

Identity and time

Publication numberOT-2026-000067268 · never reused
Internal UUID01a0ae8f-6bd6-7c5b-9010-c4556d198e25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067268
StatusPUBLIC

Content hashes

Canonical textb5e66d4062b8d9e92e4d201a6c421ae1fe8c900a56ba386443bcdae7ec3862ce
Markdown70911ca355f9b5b9ac4b81a07f026395dbaa337ca26317704f1c1c4a0cada95e
PDF
Publication pageb70f15fd6c27ad828c9d28e23cfbef58b794dd4856a4271e98546b3ced748384
Manifestc67adca76435c3749c6f8f7e88d45bb0aae1d8416e64b3a3abdbc721991a7dc9

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
SignaturejHfAwlWsb+Tt94R4oGKDzf5CuICB/b0cxfNKUMWeGc4Xft/hx40SmymsdHI+DvfPQQcBQGTjdPZ0WAvtM+6aDw==
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

2026-09-17T10:30:57.062158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067268
observed b70f15fd6c27ad828c9d28e23cfbef58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.045952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067268/manifest.json
observed c67adca76435c3749c6f8f7e88d45bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.027601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067268/publication.md
observed 70911ca355f9b5b9ac4b81a07f026395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.010193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067268/publication.txt
observed b5e66d4062b8d9e92e4d201a6c421ae1...
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.