OpenTechnical

OT-2026-000006242

Publication integrity record

Bellows cup vacuum gripper, two stage ejector, sustained blow off after set down, 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-2026-000006242) never changes.

Identity and time

Publication numberOT-2026-000006242 · never reused
Internal UUID01a0a954-233d-7c5e-814d-31abfc68ab8c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:27:38.688971Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006242
StatusPUBLIC

Content hashes

Canonical text27568841786b5aa3c7184f89638d3c7b3b4ca94eda15a836031c7cb4a1ca158d
Markdown437996fd8a560f10506c702bf34707e9ef487f76dd0fbdc7032645291420b7cf
PDF
Publication pagef3c9ec6ee82eed97f4d6994c97d25108a91e572fd49ea2184cdd111e7d965295
Manifest8b0c70210684e060cb970e333daed9b21c728192d268df18ce9924cd01fc00c2

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
SignatureB1JxbIl2paHc48M61kYB09KWO0HGj0f1ig3DXwFa1klhg21qUwSpyyMSO+fyNMH7civjCCFhBZucDMLtxwOICA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:10.975528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006242
observed f3c9ec6ee82eed97f4d6994c97d25108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.962625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006242/manifest.json
observed 8b0c70210684e060cb970e333daed9b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.944515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006242/publication.md
observed 437996fd8a560f10506c702bf34707e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.926503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006242/publication.txt
observed 27568841786b5aa3c7184f89638d3c7b...
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.