OpenTechnical

OT-2026-000099236

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000099236) never changes.

Identity and time

Publication numberOT-2026-000099236 · never reused
Internal UUID01a0aea2-8288-7014-bbae-c4476569066a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099236
StatusPUBLIC

Content hashes

Canonical textab91b36bd569acdf5436dd0dc8a9689d799807d9844fac49b2d29b2473137fde
Markdown5962e6e405adf690e0b921e62ff493b3631aaa79f5b63406200b98108f9a11c5
PDF
Publication pagee108e3f19100e7dc63565a89b2798b9af0c45d96b9f9aba09d7844bc58b1b533
Manifestaca48b8165c9e2fa46557ac94f3a4cd3267ff6c4b661ece605c11cd5bf05a8df

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
SignaturewjN90eSLMikUdBTVd4HX4odyL01NLz1+WTQaf4Cz35JyFeIztknk6OqN/mV9ED4NlzghdDZcPriyT8GYwzF8CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:40.340472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099236
observed e108e3f19100e7dc63565a89b2798b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.318985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099236/manifest.json
observed aca48b8165c9e2fa46557ac94f3a4cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.296756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099236/publication.md
observed 5962e6e405adf690e0b921e62ff493b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.269144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099236/publication.txt
observed ab91b36bd569acdf5436dd0dc8a9689d...
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.