OpenTechnical

OT-2026-000073159

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two 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-2026-000073159) never changes.

Identity and time

Publication numberOT-2026-000073159 · never reused
Internal UUID01a0ae92-efb6-714d-ac30-b3b638b0270d · 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-2026-000073159
StatusPUBLIC

Content hashes

Canonical text69f686b512ea200b683c24b8bc95f598916f4ef4a6a0d83f71cd4c5f28615b9d
Markdown8e648f179d9ae5fe9fe6297b2df1f9da9417410a5523fb1803fb8cc0dd0a5e0e
PDF
Publication page60450c022fa86cbbb2f0e971c911ac340c19e4e4e3b5513de1014b36372e21f9
Manifestc0971580de07f3e59ac4a601c3fd4e806e3dc66203297444ca21fd3dbc5ad687

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
Signature2jlUhyGM9IjXYE3yw+v9AonFW2pD9VExUYn+Hg6sIsm9iSuxjEtzvtQ987KfuZGAdC36ZyzBMxCHQHeo0k9UDQ==
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

2026-09-17T10:21:06.110710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073159
observed 60450c022fa86cbbb2f0e971c911ac34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.092250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073159/manifest.json
observed c0971580de07f3e59ac4a601c3fd4e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.072530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073159/publication.md
observed 8e648f179d9ae5fe9fe6297b2df1f9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.053560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073159/publication.txt
observed 69f686b512ea200b683c24b8bc95f598...
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.