OpenTechnical

OT-2026-000011519

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000011519) never changes.

Identity and time

Publication numberOT-2026-000011519 · never reused
Internal UUID01a0ae6c-88ff-7b5e-ae93-d1d4435d9700 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011519
StatusPUBLIC

Content hashes

Canonical textd235eb9f4f1ff20789543e89933701e04407f265595357c0263b79afa481eb33
Markdown532193ad9de2d527730b5c6773a66a9db55f7dc16aa90ce7f9d16517cfa6bd33
PDF
Publication page18b42fc47b19ef9af7b7db7c2b58e48b1f864715d2086a4c9ba3548e8d08ee23
Manifest8a0d39029d577f7f7efcaccc013d01efeb63d9b5ffde14bf22bfea9eb1575327

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
Signature6IseyhINlplGHJWQ13KTOtU4oPAhVzG8zEVR29csDSsTpSWa97IIs50dQjIIIIga89Qt/vg0emsA+mxYEYnkDA==
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

2026-09-17T12:13:18.313902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011519
observed 18b42fc47b19ef9af7b7db7c2b58e48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.296370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011519/manifest.json
observed 8a0d39029d577f7f7efcaccc013d01ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.277896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011519/publication.md
observed 532193ad9de2d527730b5c6773a66a9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.261149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011519/publication.txt
observed d235eb9f4f1ff20789543e89933701e0...
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.