OpenTechnical

OT-2026-000075275

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold 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-2026-000075275) never changes.

Identity and time

Publication numberOT-2026-000075275 · never reused
Internal UUID01a0ae93-f200-79f4-8e3d-2f341e78774b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075275
StatusPUBLIC

Content hashes

Canonical text4895b3d619e17fec52a74a705036f1dddad200c7b66c37bbb6b562085d6ad1f2
Markdown32e512b531372cf85a90315e893918e744b371aba77e841c56cddc67fa592bf9
PDF
Publication paged66afa00ae7771b609b3bcecc4af544e9fa60750fe4b47dfbd7551b504d4df7f
Manifestb6041612a569b5a6611c9fc657317e5c54d17c6e2710e80015a2302f7967f0e8

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
SignaturewUgxunG1jPeNmhZVrOTwkGXhOhMOSjqichumxDQQSOsVezQj9Q6E6YDmUUK8zbl3kYaw+AFn2T5fdR2fJSjVBg==
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

2026-09-17T10:20:40.707402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075275
observed d66afa00ae7771b609b3bcecc4af544e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:40.689147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075275/manifest.json
observed b6041612a569b5a6611c9fc657317e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:40.671170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075275/publication.md
observed 32e512b531372cf85a90315e893918e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:40.653461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075275/publication.txt
observed 4895b3d619e17fec52a74a705036f1dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:58.446616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075275
observed d66afa00ae7771b609b3bcecc4af544e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:58.305106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075275/manifest.json
observed b6041612a569b5a6611c9fc657317e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:58.286046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075275/publication.md
observed 32e512b531372cf85a90315e893918e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:58.268475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075275/publication.txt
observed 4895b3d619e17fec52a74a705036f1dd...
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.