OpenTechnical

OT-2026-000081226

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, vented after set-down

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-2026-000081226) never changes.

Identity and time

Publication numberOT-2026-000081226 · never reused
Internal UUID01a0ae96-f373-7679-9c52-18f6def7d093 · 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-2026-000081226
StatusPUBLIC

Content hashes

Canonical text9fef45085a29d645dfef6e35cd7a90a57fafccf9b2a1f17d6d807696059321f8
Markdown66bd1aa5ac869c54564c8b8ab30b0f9169e6518aceff3b8303794ca93523b7bd
PDF
Publication page729095850878f409e608bf804fdc576c039cd00cf5097b8efe247bb62f4cfc60
Manifestb4accd7e33deb16d3c5896605554593ef95b6c267bd0d96651cfa1ffe686a520

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
Signatureh/H8OfRoWQKo9wmN1I3w4f5DqCBoLaEvD/GcqLCIhKAKDqDX5Jo9S9fIUn1o66TrunWcGqE1OA4Er51Gr1KxDw==
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

2026-09-17T10:01:18.668356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081226
observed 729095850878f409e608bf804fdc576c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:18.651284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081226/manifest.json
observed b4accd7e33deb16d3c5896605554593e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:18.634089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081226/publication.md
observed 66bd1aa5ac869c54564c8b8ab30b0f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:18.616701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081226/publication.txt
observed 9fef45085a29d645dfef6e35cd7a90a5...
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.