OpenTechnical

OT-2026-000067204

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down

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-2026-000067204) never changes.

Identity and time

Publication numberOT-2026-000067204 · never reused
Internal UUID01a0ae8f-14ff-75c3-b896-e807d688f00f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067204
StatusPUBLIC

Content hashes

Canonical text8e5c8e31d0dc179823c16d37c898de1e80002bfac3dbd23296a7bc0209dc1bac
Markdown097a17bb5aefea8f027b27129a827c519fce8ca9d6d7a19dbe4130ca1b334397
PDF
Publication page93ac9af942487f0826d280e874f7ae1a11fc48580764c7e20aae5547c3f23dbe
Manifest74dc9b9a2c0591a2334791ced6e492315b9de16194cfe66021df3312905b60f3

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
SignatureYW9xVN/5oqpg7UOpCQilEomRNHYZ8gJ+Scp9/GO+mNKc5s+fUEoAkfeIXeLLGDrZTsx0MXckQvu8MozNTx3UBw==
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

2026-09-17T10:32:29.560491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067204
observed 93ac9af942487f0826d280e874f7ae1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:29.543962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067204/manifest.json
observed 74dc9b9a2c0591a2334791ced6e49231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:29.527153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067204/publication.md
observed 097a17bb5aefea8f027b27129a827c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:29.510144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067204/publication.txt
observed 8e5c8e31d0dc179823c16d37c898de1e...
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.