OpenTechnical

OT-2026-000007028

Publication integrity record

Vacuum cup gripper, ejector fed, vented before set down, silicone cups, oval form

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-2026-000007028) never changes.

Identity and time

Publication numberOT-2026-000007028 · never reused
Internal UUID01a0a970-12dc-7dfe-926e-c2eb58d87782 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:58:09.503773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007028
StatusPUBLIC

Content hashes

Canonical text1dd2aa2f58879869b3206f7ceabafb2d88be4f6893bff3685f6515bd69bd3d77
Markdown21e42a80a851008b21132a196eaa16915f6a5657644a69825bf92eaee73a8c01
PDF
Publication pagefb70f21659647c3636604db918d85e0a602c48ba28b6527d0d498a28f69bdb2f
Manifest15774b9da006e057d399fdc31d3798e665dcae409c6cddd1cdc7c850548611b8

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
Signatureo/KnrZVJhdaIY+uaiIRmxa4BO7uT9fI+uXSqyTZmIkZZze26aAGiQyVeFlDHaqjzDjp+ykoPTyruh2hxlLm0Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:10.150618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007028
observed fb70f21659647c3636604db918d85e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.137299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007028/manifest.json
observed 15774b9da006e057d399fdc31d3798e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.009207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007028/publication.md
observed 21e42a80a851008b21132a196eaa1691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:09.995799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007028/publication.txt
observed 1dd2aa2f58879869b3206f7ceabafb2d...
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.