OpenTechnical

OT-2026-000073395

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000073395) never changes.

Identity and time

Publication numberOT-2026-000073395 · never reused
Internal UUID01a0ae92-efb8-7500-88ff-a3ec1f20c7ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073395
StatusPUBLIC

Content hashes

Canonical text3e0e187e272357c2ee0eeb27f223dbeb700053131a2311cf85be507e67b0c9a2
Markdown6ca879e9873ce1db71fd4e67ba710dd285da8aca6c5f0df43ffcdb563b607964
PDF
Publication page7096aa2a31b7eee888229ae30746ace9b5cb5d8467083f3f5d8948e7703b6865
Manifest2600308cd062e27a609ed2e271e3910677fa405f541cacc709b1992deb02b78e

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
Signature17jN8Boh65FuUjZ4PFaA8s/tniT9mqR7nSZFdh2dmqz1byBF7c7KFlqBqLM8SibzLjFW9Lw4I+ZMrAZCniAjCg==
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

2026-09-17T10:21:26.272553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073395
observed 7096aa2a31b7eee888229ae30746ace9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.252824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073395/manifest.json
observed 2600308cd062e27a609ed2e271e39106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.233612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073395/publication.md
observed 6ca879e9873ce1db71fd4e67ba710dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.215730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073395/publication.txt
observed 3e0e187e272357c2ee0eeb27f223dbeb...
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.