OpenTechnical

OT-2026-000007336

Publication integrity record

Vacuum cup gripper, plant vacuum fed, pressure verified, silicone cups, flat form

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-2026-000007336) never changes.

Identity and time

Publication numberOT-2026-000007336 · never reused
Internal UUID01a0a97b-27c4-72e1-8e1f-622ae049f5cc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:10:15.751929Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007336
StatusPUBLIC

Content hashes

Canonical text65a872fe94ba5134011365bd56c74076db33ecde2a401de857d3d38bfd0209c3
Markdown229516b69240922e84d8d629b8331a399fd3d776fb53f2f6a27d99f39aa65abd
PDF
Publication page520202431148539eea3cd6ac0b4d01f440acbf8a033ea09cd453c2af2e5cbf1c
Manifest500b1f2f0abcf76b7117e3ab08c13fdc91b0230ed73139deb1911450ea3e6507

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
Signature+z/mV7F6P3oRyYlhbfk/k6pJu3ocXwIWs6RsV8bGeQNxPMhag+u9hLJ5vgI2yDMOK5mbO3UKMqApCDX7DzfKBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:11.031377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007336
observed 520202431148539eea3cd6ac0b4d01f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:11.016602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007336/manifest.json
observed 500b1f2f0abcf76b7117e3ab08c13fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:11.003123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007336/publication.md
observed 229516b69240922e84d8d629b8331a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.991313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007336/publication.txt
observed 65a872fe94ba5134011365bd56c74076...
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.