OpenTechnical

OT-2026-000005283

Publication integrity record

Bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, plastic cups

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-2026-000005283) never changes.

Identity and time

Publication numberOT-2026-000005283 · never reused
Internal UUID01a0a933-d5ea-7dfa-8ff8-e18a04d156e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:52:21.740985Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005283
StatusPUBLIC

Content hashes

Canonical text87838305e8160ce9ea64e402280d76bd666d5bade38743f87d3800a2495d8d93
Markdowne81ca8491918b878af6a43a01faaf2baac3fe59992d052d91aff7856c9ab77bc
PDF
Publication pageaa8be8af71f975042ae9760891f1da5bb2e0b59ecb2087fec19ac0d93adf36ce
Manifest3022aa48252e7940c007cf5007a309e5aff9f19ba4d2d34254dc5b3a6bb18eac

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
SignatureI0aQu8Izbax9AbPn9bmKOHUGe9SwURy80odkEyTl+ZupT/uwi59IXR0QiHM30YIJYtPZRcRWHBrOYutUXzvjCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:26.985525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005283
observed aa8be8af71f975042ae9760891f1da5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.973175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005283/manifest.json
observed 3022aa48252e7940c007cf5007a309e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.959526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005283/publication.md
observed e81ca8491918b878af6a43a01faaf2ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.944456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005283/publication.txt
observed 87838305e8160ce9ea64e402280d76bd...
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.