OpenTechnical

OT-2026-000029978

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000029978) never changes.

Identity and time

Publication numberOT-2026-000029978 · never reused
Internal UUID01a0ae73-ac49-7b24-9845-3715e93632ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029978
StatusPUBLIC

Content hashes

Canonical text19a88f99d6b305a3e31b486ccde216e0843f3faf126196330c5aa2ebad2994d1
Markdown8508469d6c0c66c3bbc467f5434eb8b4c41e3e8b1c0a87310c2aee9b7984bc49
PDF
Publication page79daab16f7b0ea4a6c5e2b2fc0ad65f72a2a9a6f4b282573a7ede13a3a7ca652
Manifestf21217e5dacdbc9e424bd4afcf576646a88602b2e070461394588090e76493a4

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
Signature26FEwYrcvuaPkvEt7AdZqAKWMe3MLuxJynHpMrNwhgVz8s9ngQ7ZMx6q9g4mHnKeAq1oeG8TWB40KIO0XvqUCQ==
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

2026-09-17T11:38:41.958071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029978
observed 79daab16f7b0ea4a6c5e2b2fc0ad65f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.938269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029978/manifest.json
observed f21217e5dacdbc9e424bd4afcf576646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.919380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029978/publication.md
observed 8508469d6c0c66c3bbc467f5434eb8b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.901160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029978/publication.txt
observed 19a88f99d6b305a3e31b486ccde216e0...
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.