OpenTechnical

OT-2026-000091322

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091322) never changes.

Identity and time

Publication numberOT-2026-000091322 · never reused
Internal UUID01a0ae9c-f16c-70f6-b24d-b7348fc09a49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091322
StatusPUBLIC

Content hashes

Canonical text6b2dad73535069c7c178f73a8e04fc331a7829a5503cbb25b5c0a558c3b727d3
Markdowncf415b646067b659fbf063c4b141979e86409fead7fb295843b7eeb19f82acbb
PDF
Publication page7f8457c1a8c1012e003cd98ad8dd282a052a95dfbbe5e0bf7ae6b9b125a71412
Manifest13ce36aaf2d68540929875297cac623495982d1fa5bac2965d519a18616e2d47

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
SignaturedxnvjyZ+9iR8eOLRZerG7zJCa9InKngTads4Eryzby/xY9EE0oQffmJsoPoW+LhoaPqD9IC2lw9Pq5MLQtUSCQ==
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

2026-09-17T09:43:31.509556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091322
observed 7f8457c1a8c1012e003cd98ad8dd282a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.492910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091322/manifest.json
observed 13ce36aaf2d68540929875297cac6234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.475489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091322/publication.md
observed cf415b646067b659fbf063c4b141979e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.458539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091322/publication.txt
observed 6b2dad73535069c7c178f73a8e04fc33...
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.