OpenTechnical

OT-2026-000006377

Publication integrity record

Porous face vacuum gripper, three outlet manifold, pump fed, contact triggered on the face

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-2026-000006377) never changes.

Identity and time

Publication numberOT-2026-000006377 · never reused
Internal UUID01a0a958-d749-764e-9ff3-c9f11460dc9c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:32:46.924209Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006377
StatusPUBLIC

Content hashes

Canonical textde0f566a218e149a7e35b4cde719a8642fd6169c4c8621177080124657e98233
Markdown4ef5aa5e9ffc4599bf44ad1fad324e1db85d42deb1d37499110579c9836f34f4
PDF
Publication page447c36dc3699d0b87fc05227486c78ea15bd428f3db8ce5168851382c96079f1
Manifestddf9af8aa697fc36ef2f3dfb8944db702cbf56fc2573b99d91ac2be92acf72a8

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
Signaturen7BZe3KVq2VYeoOwKuMeKC927oDhJnTHwOnQ4MFXZosmgzp7mSYLJxmdxtri4IvECT5a2D1CP1f0v8FQtngoBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:24.911621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006377
observed 447c36dc3699d0b87fc05227486c78ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.896857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006377/manifest.json
observed ddf9af8aa697fc36ef2f3dfb8944db70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.883561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006377/publication.md
observed 4ef5aa5e9ffc4599bf44ad1fad324e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.746303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006377/publication.txt
observed de0f566a218e149a7e35b4cde719a864...
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.