OpenTechnical

OT-2026-000050540

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000050540) never changes.

Identity and time

Publication numberOT-2026-000050540 · never reused
Internal UUID01a0ae82-5c49-780c-a9cd-54528c1eadf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050540
StatusPUBLIC

Content hashes

Canonical textd141b3fd9b175e8b424b56c62d62fe3542ba0692f0b8e939d6c8923211d8d74c
Markdown941f80fd0237ccfcb890089b92de1ef8863740cfe0975a4261f78da3a9a66a4e
PDF
Publication pagee75f12eff927e0443bf375ff07295026540799f98918116ababb0a040075116d
Manifesta6ebda37d5bee85631e6132b19f0ddd1bee84201e052895ff6d701b4ba33efd8

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
SignaturepNyY9D7r21YnPdR+DSH0qng9jxlZnqAbR4kVnsYp9LOB2t9g3Azumfw/qJgQ8XFZgQDbXKjmEicmoVqXJFhgAA==
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

2026-09-17T11:01:38.193439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050540
observed e75f12eff927e0443bf375ff07295026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.178669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050540/manifest.json
observed a6ebda37d5bee85631e6132b19f0ddd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.163901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050540/publication.md
observed 941f80fd0237ccfcb890089b92de1ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.148140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050540/publication.txt
observed d141b3fd9b175e8b424b56c62d62fe35...
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.