OpenTechnical

OT-2026-000069307

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000069307) never changes.

Identity and time

Publication numberOT-2026-000069307 · never reused
Internal UUID01a0ae90-b528-7500-b5a8-14256538bc3e · 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-2026-000069307
StatusPUBLIC

Content hashes

Canonical text9392d3e6a7149a3f06de996188269f9633679903a2aecd2e9e5742e0b686a483
Markdown8324d7f4e16b37e52743f150c92398f3670c8f7e4ad665bc2cdf35559180eb07
PDF
Publication pagecf6e697f1c9398b91f8cc9f5515de0e6d2ba6d30b5b1019024c31fec4d113fe1
Manifest2051f49c0836f514dd3f948eb94971c8429fb42d1487f5c4b19201a3cffd47df

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
SignaturesB49H6Ul/Wql4cLeAKGQJ6NdnkpxS/NONAgwX38da94N6eapcDG/WDRCowAtnt7JdBPIQMuaWBwocW0XvaFBBQ==
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

2026-09-17T10:30:04.065432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069307
observed cf6e697f1c9398b91f8cc9f5515de0e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.043711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069307/manifest.json
observed 2051f49c0836f514dd3f948eb94971c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.023149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069307/publication.md
observed 8324d7f4e16b37e52743f150c92398f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.000761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069307/publication.txt
observed 9392d3e6a7149a3f06de996188269f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.688018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069307
observed cf6e697f1c9398b91f8cc9f5515de0e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.671029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069307/manifest.json
observed 2051f49c0836f514dd3f948eb94971c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.654176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069307/publication.md
observed 8324d7f4e16b37e52743f150c92398f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.635822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069307/publication.txt
observed 9392d3e6a7149a3f06de996188269f96...
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.