OpenTechnical

OT-2026-000050019

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000050019) never changes.

Identity and time

Publication numberOT-2026-000050019 · never reused
Internal UUID01a0ae81-fd78-7e69-9102-51b33077a805 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050019
StatusPUBLIC

Content hashes

Canonical textb1d8b1753ea786fa0595673480e06091256d7c09f0d33053493a33dd678c096a
Markdown9db4f937e3891469103c9dd5d52de4a3a9609cb5fa5b720f63fe268dabf1950f
PDF
Publication pagec1dfd131b4f3b4869f8932d259621df9623a0dfb5abb0d30b593c0c1da48f2c6
Manifest6f3b7f217bd85505631b7bb0b93e93ca34c4a7f779bd4a511f58667856f509be

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
SignaturekRuVdTCzqaAxf7V/K3f5QE+nWDsPyE2REm8QKcuNz6n6J2YOtpoWXEGtd+FwjqwR0paEKV3ZwW9lXAcR+EIfCA==
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

2026-09-17T11:01:59.174804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050019
observed c1dfd131b4f3b4869f8932d259621df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:59.153024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050019/manifest.json
observed 6f3b7f217bd85505631b7bb0b93e93ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:59.134019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050019/publication.md
observed 9db4f937e3891469103c9dd5d52de4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:59.113762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050019/publication.txt
observed b1d8b1753ea786fa0595673480e06091...
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.