OpenTechnical

OT-2026-000091196

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000091196) never changes.

Identity and time

Publication numberOT-2026-000091196 · never reused
Internal UUID01a0ae9c-f16b-7454-b6aa-3df46f2e54e4 · 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-2026-000091196
StatusPUBLIC

Content hashes

Canonical textf31b68ea889ce66c194bdb6f9d66f30b7878aa71328ccf1d4758f66db38e9d96
Markdowne6e5af5704509a4a2b8fc797af0709a0357a492f01b41a3360658378c1ddedd2
PDF
Publication page315d4df498eea19ba62bb750c872ffe25a4d5bb117fbede2ce190964d30e6801
Manifestbd9d07a0bb65ec384fcf2fb95e2f1419c347a111a96cb464cd72000f5cd6ab86

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
SignatureDSDLVOvij3vwTV2FNQasT7gdNh19btPSI0WY04BACku1jtvVPzc/LR6p2feSKxdnb4u5s5vy14D6C0GBGvxWDg==
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

2026-09-17T09:43:21.434620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091196
observed 315d4df498eea19ba62bb750c872ffe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:21.416437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091196/manifest.json
observed bd9d07a0bb65ec384fcf2fb95e2f1419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:21.398040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091196/publication.md
observed e6e5af5704509a4a2b8fc797af0709a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:21.380194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091196/publication.txt
observed f31b68ea889ce66c194bdb6f9d66f30b...
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.