OpenTechnical

OT-2026-000097395

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000097395) never changes.

Identity and time

Publication numberOT-2026-000097395 · never reused
Internal UUID01a0aea1-01cc-7d1c-a723-2094f097262a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097395
StatusPUBLIC

Content hashes

Canonical texta3143abccf8483977f13407cc09e7635e9f0d23ab0ced2f2cab22e96fc26db7f
Markdown6becd2cc17d4747c4508ccd6e2d6e33ac6a8f5e308f5542517fff7fba19236a8
PDF
Publication pagec3790a5f720b291985523cb359584c5ed3cba9bee2c52e4b8a62cf32a4cf3c5c
Manifestc7168ff8fe68a443f0fb624bafe165c973a8288572952f95e76cacfe134e6a61

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
Signature1h+4VhLU+rSObBa/8U0MButMNWDTNNlOunH2hhc9/BiERFTURc4PkNiJjtEmx3WdoLXvbNYFXwAWBh3vRgyuAA==
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

2026-09-17T09:33:40.746757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097395
observed c3790a5f720b291985523cb359584c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:40.729285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097395/manifest.json
observed c7168ff8fe68a443f0fb624bafe165c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:40.712620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097395/publication.md
observed 6becd2cc17d4747c4508ccd6e2d6e33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:40.693662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097395/publication.txt
observed a3143abccf8483977f13407cc09e7635...
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.