OpenTechnical

OT-2026-000091332

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091332) never changes.

Identity and time

Publication numberOT-2026-000091332 · never reused
Internal UUID01a0ae9c-f16c-79e0-bafe-2e3039ea1c57 · 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-2026-000091332
StatusPUBLIC

Content hashes

Canonical text3ecfc32802d58d590bf2e141cd60ca115d1bd8628a53e94134afe47bdd5b0fd4
Markdown2d203ef1345b01e25db4e46074b1ba27eb45cb15824ab7d8675ced768be8f284
PDF
Publication pageb06f890241e476eddeae7f9f925c85ad20809922192bac83d896f03ce8c8a5fc
Manifest7ae2b2a08a7bb1b2b5596405b200fc3461554d4c34ac40525f736de44d8f638c

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
SignatureeDFBkA5/cA2/a1R9p0aXCKhseFciaWew0eimP2rw/kkFhOKxHMzq5WEutIcgSco75wBszBDSkvR+bDe8q8NTBQ==
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

2026-09-17T09:43:32.376275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091332
observed b06f890241e476eddeae7f9f925c85ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.359081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091332/manifest.json
observed 7ae2b2a08a7bb1b2b5596405b200fc34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.343077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091332/publication.md
observed 2d203ef1345b01e25db4e46074b1ba27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.325839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091332/publication.txt
observed 3ecfc32802d58d590bf2e141cd60ca11...
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.