OpenTechnical

OT-2026-000069602

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069602) never changes.

Identity and time

Publication numberOT-2026-000069602 · never reused
Internal UUID01a0ae90-b52b-7e8f-aa15-78987bab40d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069602
StatusPUBLIC

Content hashes

Canonical texta003e4b9dc1fce5df108bdfdb0ca30a11084862503279b71e65d1782ff6f1789
Markdowna199e6171d77c38a15a38a8217c10ae228d71eda41f083d620c4eb00ebd07c2d
PDF
Publication page13f12c6325ae84f2bdffa8b9dcc04ef26b0c2fa27dd66c2bb2d4e5bccb9dbc6d
Manifestdd8d1154ea1d75455f9037dd2a1c5822ace977d099420be9bbce19e7b35e6af5

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
SignatureY34NeksHsKr8XzBX736yr9Lq/A1gKhon+6JVtbec21yOzc65KNxjggJAd3hTHYT+XlbSlUxQjqcTdH9oZgzMDQ==
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

2026-09-17T10:28:15.769928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069602
observed 13f12c6325ae84f2bdffa8b9dcc04ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.749745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069602/manifest.json
observed dd8d1154ea1d75455f9037dd2a1c5822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.731848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069602/publication.md
observed a199e6171d77c38a15a38a8217c10ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.712566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069602/publication.txt
observed a003e4b9dc1fce5df108bdfdb0ca30a1...
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.