OpenTechnical

OT-2026-000030053

Publication integrity record

Two cup vacuum gripper, two 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-2026-000030053) never changes.

Identity and time

Publication numberOT-2026-000030053 · never reused
Internal UUID01a0ae73-ac4a-786f-92e6-5117a5089aee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030053
StatusPUBLIC

Content hashes

Canonical textfcceadf293ebc778ce8e316e723b250a5ca7a152c4d6e36fdccf2a3f0c798d41
Markdown0f9296e582011ce34f8054e196993723d5f4fef9ccd5bb9ca1d96a88ca13e7a7
PDF
Publication page2e602bf7ce4c5fa0df7280cc49b62d5f8888334aef47dcf66c455f26faf2dd80
Manifestf2e47ac6148d7b4378f085238f7034587b68ccdd12ceb223f62369f53d34ed47

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
SignatureJIbj6flHJ7PhzJHQl8YjSoUiZgDtQNhBDSxSZ0PcviL3M0qGomAUrtA2U4xI6SHL8XmnhbZydo6f3AcIJ+qzCA==
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

2026-09-17T11:38:47.588144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030053
observed 2e602bf7ce4c5fa0df7280cc49b62d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:47.570892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030053/manifest.json
observed f2e47ac6148d7b4378f085238f703458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:47.553529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030053/publication.md
observed 0f9296e582011ce34f8054e196993723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:47.535294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030053/publication.txt
observed fcceadf293ebc778ce8e316e723b250a...
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.