OpenTechnical

OT-2026-000091594

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000091594) never changes.

Identity and time

Publication numberOT-2026-000091594 · never reused
Internal UUID01a0ae9d-43b8-7773-9fbd-8123c91d7340 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091594
StatusPUBLIC

Content hashes

Canonical texte5442b6a52006ba34e911a11be1912cd2ad17185682ff3bf00fda7a85d1080df
Markdowne424d69ee3a9f30dbb248bc33774f2da3eaeea4a0768ec04bc7f26f9ef685521
PDF
Publication page60e0b282c8a331d58881eeba3c91e43ebad6519d586914faa9ca04834523f551
Manifest4db344a0ec172f895129d3f6c790193758a8e69b67c3a952bddc6ffa1630e0d4

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
SignatureT4XYBWSfcmea253QpJROMRPT1EV1CIpqooKswjhvPzAlyULMN4/pd6eg/henL8Dv8ImS0wkWkakIAt2dQlQTAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:56.743783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091594
observed 60e0b282c8a331d58881eeba3c91e43e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:56.725895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091594/manifest.json
observed 4db344a0ec172f895129d3f6c7901937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:56.707374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091594/publication.md
observed e424d69ee3a9f30dbb248bc33774f2da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:56.690661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091594/publication.txt
observed e5442b6a52006ba34e911a11be1912cd...
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.