OpenTechnical

OT-2026-000089969

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000089969) never changes.

Identity and time

Publication numberOT-2026-000089969 · never reused
Internal UUID01a0ae9c-428d-70a6-8ef2-e715093653d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089969
StatusPUBLIC

Content hashes

Canonical text105fe6e75755bcdaa41d366991c2b30471309e4d69bbeaa7a852bdd15b00c3ed
Markdownfbde23bc3338dffe8c7ae6aa8b01a69c8c092431dec465ac844919c2b88684a0
PDF
Publication page4319cb204c08cc9378142f43c32f3d2ba04cd269d1dc4f5904971e096f8b0961
Manifest2d3efb9290e349f8c85fd346123704314f56882d6e5e9dbb7b8666dcec2f1473

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
Signature0WvvqGwiWsIuYVyhxpia4vh/cc1nG4NKBX0yVg3U2ATkN0I5wrl2TFJ5RFykUmcY+h3mgxdZuIWostGOfJE8DA==
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

2026-09-17T09:45:21.397341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089969
observed 4319cb204c08cc9378142f43c32f3d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.379100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089969/manifest.json
observed 2d3efb9290e349f8c85fd34612370431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.358781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089969/publication.md
observed fbde23bc3338dffe8c7ae6aa8b01a69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.342312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089969/publication.txt
observed 105fe6e75755bcdaa41d366991c2b304...
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.