OpenTechnical

OT-2026-000102884

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000102884) never changes.

Identity and time

Publication numberOT-2026-000102884 · never reused
Internal UUID01a0aea4-be3c-7c20-8d79-2210ff006587 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102884
StatusPUBLIC

Content hashes

Canonical textc1fafd74276e7145edd3ca29bebbc75c29d2733ebf0aaf65576df2663f7c0e38
Markdownefb21b5a341926e617190686022a2783789151dfbb25837e31e54fdc937b2fd7
PDF
Publication pagea312a87316c5aede1519c06a66851e04034a267c3982c5d222fe03508e300352
Manifest3e2ac1c913587817b6068adbacf2bd7bd29590a749beb5c04138c84c447fcba8

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
Signature1KFM35uHHVxkHARD9N7GGt+bRjIz7EOWCyjWAM6zjcufsu/vVK+is1IJRe9j/9tn+eY7dZH2/41rIw2EZODeBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:53.578029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102884
observed a312a87316c5aede1519c06a66851e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.561718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102884/manifest.json
observed 3e2ac1c913587817b6068adbacf2bd7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.543387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102884/publication.md
observed efb21b5a341926e617190686022a2783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.525681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102884/publication.txt
observed c1fafd74276e7145edd3ca29bebbc75c...
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.