OpenTechnical

OT-2026-000056775

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000056775) never changes.

Identity and time

Publication numberOT-2026-000056775 · never reused
Internal UUID01a0ae87-7af7-796b-a6a7-357bc6f9471a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056775
StatusPUBLIC

Content hashes

Canonical text68cad10a35f3800cd15ec7aed798adbb870deb2bef5ff2670d06865fd0cab0d0
Markdown6ce23548c45db8176efca2c79e2bc18100d5411a4d15c05d0f39eedd4239efee
PDF
Publication pageeac508a90ba3537a959f298da7ea930bcea72ea8cad229fd4abe95ccc5f57c2a
Manifestec8354361ad7a00e3640fd77435c58266a6315688f6418bdfaf067d055bdca4f

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
Signature6CqEk/Ci7STJwY6ibJgLE6twg22BGg6XQgXs001Rp6lm7MdNUkyJlYfkYuUdS4/ZUwOlTI26udGUm0gPk4FODA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:15.005324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056775
observed eac508a90ba3537a959f298da7ea930b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.986808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056775/manifest.json
observed ec8354361ad7a00e3640fd77435c5826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.969715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056775/publication.md
observed 6ce23548c45db8176efca2c79e2bc181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.950673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056775/publication.txt
observed 68cad10a35f3800cd15ec7aed798adbb...
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.