OpenTechnical

OT-2026-000019333

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed 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-2026-000019333) never changes.

Identity and time

Publication numberOT-2026-000019333 · never reused
Internal UUID01a0ae6e-f392-785f-8f9a-a9624534f989 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019333
StatusPUBLIC

Content hashes

Canonical text9340296c58a87bc9849daf3a1445f7126e373c1d33addf1f168ffb22a86d3ce3
Markdowne77a9ae2439d1a016e27a5c7b47a141bb000fd315e018ef3e70058ee878836ba
PDF
Publication pageffaa424c0f894d0a5027ab0879baeed8595cf418f5dbf0ae5839ec7b78656d99
Manifestce0126d35508a648ba776b43f1854f5ef85a029ec918999d630f58b45f2b1124

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
SignatureUDeB1Q2qFXC+u4tKXNlT50W2WRNvL65hmVzlp3ObBdyY7O8kyfaKO50l5lk3aG0AFIJLVQ49s+6Q7HqRL4GaCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:42.085657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019333
observed ffaa424c0f894d0a5027ab0879baeed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.067206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019333/manifest.json
observed ce0126d35508a648ba776b43f1854f5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.050159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019333/publication.md
observed e77a9ae2439d1a016e27a5c7b47a141b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.031909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019333/publication.txt
observed 9340296c58a87bc9849daf3a1445f712...
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.