OpenTechnical

OT-2026-000030149

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000030149) never changes.

Identity and time

Publication numberOT-2026-000030149 · never reused
Internal UUID01a0ae73-e4ff-71d6-ac84-9638297b8709 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030149
StatusPUBLIC

Content hashes

Canonical text4687375aa710ebae4b706c641d639881566ea787be7da74831c136d1e3c78023
Markdownd8f0c4034fa23239ba21f54e404dda84a704dc4bdc2bf128faf73ba15f8ae795
PDF
Publication page99a559f2bbce525607f26fe9c11fdeb6cb1eabe359022ef253ad68bcfdb97d7c
Manifest8c89728e0eb2599f42cadb4f3408b164e35953905c6bdbc89499df70cd5efcdc

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
SignatureFT/cdrY4hJA4rJTHRM87K4yW9vQS+/dozQK6bXnw1F6VzkPSChvy74TW0NRYkw13sqi5DCzaBfJxf9CBbHk+Aw==
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

2026-09-17T11:40:23.645998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030149
observed 99a559f2bbce525607f26fe9c11fdeb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.630145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030149/manifest.json
observed 8c89728e0eb2599f42cadb4f3408b164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.612443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030149/publication.md
observed d8f0c4034fa23239ba21f54e404dda84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.595927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030149/publication.txt
observed 4687375aa710ebae4b706c641d639881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.592591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030149
observed 99a559f2bbce525607f26fe9c11fdeb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.575246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030149/manifest.json
observed 8c89728e0eb2599f42cadb4f3408b164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.557545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030149/publication.md
observed d8f0c4034fa23239ba21f54e404dda84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.541925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030149/publication.txt
observed 4687375aa710ebae4b706c641d639881...
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.