OpenTechnical

OT-2026-000017230

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000017230) never changes.

Identity and time

Publication numberOT-2026-000017230 · never reused
Internal UUID01a0ae6e-76c8-7192-be41-c912d4a8822d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017230
StatusPUBLIC

Content hashes

Canonical textfa1d65228ab7806fac5ac07a2d6a4edbba6ee5e554826b530a2d4e7dd4b6ed63
Markdownab3a96b4bbeb5f2ef5d93815b41c12a401ed86a2712035871e3e46688239f15a
PDF
Publication pagee5e8e7eedd1c5b0c6b33b5413ab3c30788ef2f1dbf7d1d882555574a664d9929
Manifestb34462d30fcfc62ddff3711eed8011a380e384646c6edd8ac3088ac9214e9d10

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
SignatureUg5HSz2VgGlVXjXfvWShAo75vM1QMSjG5c6A0at+zpwkXLyRg4d3dRe9qiEdgMWyYVcVLyuE6qv/f9SMJ7iDCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:02:18.646298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017230
observed e5e8e7eedd1c5b0c6b33b5413ab3c307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.629100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017230/manifest.json
observed b34462d30fcfc62ddff3711eed8011a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.611835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017230/publication.md
observed ab3a96b4bbeb5f2ef5d93815b41c12a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.596091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017230/publication.txt
observed fa1d65228ab7806fac5ac07a2d6a4edb...
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.