OpenTechnical

OT-2026-000095820

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000095820) never changes.

Identity and time

Publication numberOT-2026-000095820 · never reused
Internal UUID01a0ae9f-fac6-7d55-a7d8-aafd1f547aea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095820
StatusPUBLIC

Content hashes

Canonical textcf493af1d7bb8c3f730705f009af87d95bf6bdbc1e11a4456622d040a8018587
Markdownbd5a0cb23befe4a5e56c58cdf80fdb62ca62ad517fe5cb0104480093ab166cf7
PDF
Publication page37c140d3decbe1430bf91209b110585bfed397f526eef4a22d20c95478fb055c
Manifestb335a99c680488a7edc556ae17975895b54129617cd5df0dee55f49f9cab2a33

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
SignatureKqVR9bm73pwfu6VaBrm8ok1Qc0MLk56opK5p9mPMtKC+s1QNw62C4b7qIeOTI+buu+uHlYki9GgzDvhwFVjSBA==
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

2026-09-17T09:35:54.025160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095820
observed 37c140d3decbe1430bf91209b110585b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:54.006570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095820/manifest.json
observed b335a99c680488a7edc556ae17975895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:53.986933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095820/publication.md
observed bd5a0cb23befe4a5e56c58cdf80fdb62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:53.966820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095820/publication.txt
observed cf493af1d7bb8c3f730705f009af87d9...
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.