OpenTechnical

OT-2026-000081595

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000081595) never changes.

Identity and time

Publication numberOT-2026-000081595 · never reused
Internal UUID01a0ae97-0f72-7a11-8952-3b9a8dbe4709 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081595
StatusPUBLIC

Content hashes

Canonical textfa7544cd74f2fef146da6c5bf9aff5cd7939cf369eafca74098665e8cc4028cd
Markdown0c8cd1172914888b49115bcaee5344642886269b773b77c43ab537e2e23eb199
PDF
Publication pageeb5a145184b43a1bde534495df879bc802b1015c02b245a968518a479a6dea53
Manifest678144bf4fc4ca6236b00e9013ceca6a25e36c46e3e6c8c3d5b8331d265dba3d

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
Signaturenl6Tfc7Oo+hvMLUZJh81Sgu0n6azoqgiP0yXCqV1vmA3kAqmI55HkrVwMc/GP2SRKdtwAAq470JA6aNgrkZFAQ==
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

2026-09-17T09:59:37.915741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081595
observed eb5a145184b43a1bde534495df879bc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.899061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081595/manifest.json
observed 678144bf4fc4ca6236b00e9013ceca6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.880718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081595/publication.md
observed 0c8cd1172914888b49115bcaee534464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.863306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081595/publication.txt
observed fa7544cd74f2fef146da6c5bf9aff5cd...
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.