OpenTechnical

OT-2026-000075917

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000075917) never changes.

Identity and time

Publication numberOT-2026-000075917 · never reused
Internal UUID01a0ae94-29ff-743e-b513-bd3db28aaa12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075917
StatusPUBLIC

Content hashes

Canonical texta6b9eccfff23f813541c0b8738d4bb60f44e41100bce04b22785911b3c576d0b
Markdown312b81a3c925a67076d56f002f5abe62a25ca3af7520d90ffee7cd7a8eed67d9
PDF
Publication page2915ca7f7b65f9beab9a9a8d49d8eb5aa2db35bb430c9f75b39c70e3c68756a5
Manifeste0b6bb77ec20bb70452b8b068dd36ff08f08af57787b626d574536b16f49587d

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
SignaturegJoH57xDbtIqxuFFvr5c8TYbXcLU71KKvl7RGuqfyMOzUdoNkIvetEUpaL9ceDaOSQzVxEuktYMpRLQML2wGAQ==
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

2026-09-17T10:14:45.495444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075917
observed 2915ca7f7b65f9beab9a9a8d49d8eb5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:45.477758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075917/manifest.json
observed e0b6bb77ec20bb70452b8b068dd36ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:45.458499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075917/publication.md
observed 312b81a3c925a67076d56f002f5abe62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:45.299115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075917/publication.txt
observed a6b9eccfff23f813541c0b8738d4bb60...
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.