OpenTechnical

OT-2026-000101600

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pulsed blow-off after 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-2026-000101600) never changes.

Identity and time

Publication numberOT-2026-000101600 · never reused
Internal UUID01a0aea4-0e15-71a2-a1c4-6c6b2b05fd55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101600
StatusPUBLIC

Content hashes

Canonical text7d45efc88e72ca45e28a588cd5a6013ea78927eef3a53bf99cfcec7864e7cdc9
Markdowne8536874b7e5226fc501b748d118c1008c1f4d86f1c3fa1b990fa300dd9b67d8
PDF
Publication pagef414de9c80877b44ae216d3acc4db368404eec1ab3f56ed4589754dd1c2fb4c5
Manifestd1bd328394692c95b6505381705c042ba40c96bbfdfb40c89f7e002089a7bfd9

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
SignatureFgtEK4H073am6recgWyUDLz9c5S1fNEe07QZRtrFWX0N1hTWVvNH5zhe0jBg4l2DyUHoPLbyVJWkVhU7JWDYBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:42.563007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101600
observed f414de9c80877b44ae216d3acc4db368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.544392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101600/manifest.json
observed d1bd328394692c95b6505381705c042b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.526531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101600/publication.md
observed e8536874b7e5226fc501b748d118c100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.507153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101600/publication.txt
observed 7d45efc88e72ca45e28a588cd5a6013e...
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.