OpenTechnical

OT-2026-000087787

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000087787) never changes.

Identity and time

Publication numberOT-2026-000087787 · never reused
Internal UUID01a0ae9b-1aa4-74d9-835c-01edbe3fa633 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087787
StatusPUBLIC

Content hashes

Canonical textaadb41f125301b5c3745ac33e8eb86efeb60f0447cdd09b2c1b9e746491e580a
Markdownd09030b951fed7c59b0bf5b8ca6acc36b85e2057cede649d98a4602f158edf88
PDF
Publication page9a1cd1a515828c56d9b16af4b40967688e15b80e1d35503601b168f3921fe8af
Manifest772ba0727fd3beb64036ed6af6bac06e08054dac6307083b6b494bad3fe8f49b

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
SignatureP6dLg/iTxvb+9nA8bk37QSz/EhWDsZBXnGC1RZ9INoSWtfjrHd1G8TOx2TIxiZuqWxSRjGCerxNP00ylcNHADg==
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

2026-09-17T09:48:59.642989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087787
observed 9a1cd1a515828c56d9b16af4b4096768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.625369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087787/manifest.json
observed 772ba0727fd3beb64036ed6af6bac06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.607129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087787/publication.md
observed d09030b951fed7c59b0bf5b8ca6acc36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.589824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087787/publication.txt
observed aadb41f125301b5c3745ac33e8eb86ef...
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.