OpenTechnical

OT-2026-000081433

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, sustained 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-2026-000081433) never changes.

Identity and time

Publication numberOT-2026-000081433 · never reused
Internal UUID01a0ae96-f375-72c8-8861-c438598c420e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081433
StatusPUBLIC

Content hashes

Canonical textec6fe4680f4f78d31929e5032b8f86e3cfff996bfbff502a8cb2466e9caead56
Markdown8a0ecc155c9ddc3121e404f96ca4b77b9e9159ede2da03457dd5da5b97cae226
PDF
Publication page8fbeece8d43b8cce8c9eb67d5daf33f89017f427c6901bc0bc7f5d3112280cdd
Manifestb87c0069a6b224d8e3c5279b9f6bc3ba063317ae5b1b894ddd84fe193e01609e

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
SignatureKCO33YB6vTxg4o1io0qeTvi7qcs428lE2a8DB+MSlTc0bjp3Lq3xqQzSaLLTUlcZIwZG0GLGVtqg6X2esb8vCA==
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

2026-09-17T10:01:35.418289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081433
observed 8fbeece8d43b8cce8c9eb67d5daf33f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.391678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081433/manifest.json
observed b87c0069a6b224d8e3c5279b9f6bc3ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.367343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081433/publication.md
observed 8a0ecc155c9ddc3121e404f96ca4b77b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.340548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081433/publication.txt
observed ec6fe4680f4f78d31929e5032b8f86e3...
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.