OpenTechnical

OT-2026-000084727

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000084727) never changes.

Identity and time

Publication numberOT-2026-000084727 · never reused
Internal UUID01a0ae98-e25d-7fdf-9856-4ea666d19995 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084727
StatusPUBLIC

Content hashes

Canonical text4f1862fe6cdd9e89bede1467554f74d073f71470ff8d25b51939da2e54a466dd
Markdownebac71ecc884919c4039f7b9fc8e2a1a98fff4fae919c7fb084f61708582cb5d
PDF
Publication pageb72b541a36ca02435cc337576b995182d959703a8e5aa1f9467bd10d866d45dc
Manifesta167b80516310c75e33939576fd73ec9c472e889c4920c0e0d7af9a33df9d05b

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
SignatureN+A3fvbFGrC4514J3kwIaSMyjie/mNS8eSEH9Vp91MYqaB6XH0lj1cP+/P4xbQ+lnsy20brjv/xwODRDqJ0hBA==
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

2026-09-17T09:55:40.104977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084727
observed b72b541a36ca02435cc337576b995182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:40.085916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084727/manifest.json
observed a167b80516310c75e33939576fd73ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:40.067361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084727/publication.md
observed ebac71ecc884919c4039f7b9fc8e2a1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:40.044342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084727/publication.txt
observed 4f1862fe6cdd9e89bede1467554f74d0...
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.