OpenTechnical

OT-2026-000095749

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000095749) never changes.

Identity and time

Publication numberOT-2026-000095749 · never reused
Internal UUID01a0ae9f-fac6-720a-a43f-4601cc7a9973 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095749
StatusPUBLIC

Content hashes

Canonical text9286962478e780a5144548fa94539705e1d603bec4521c82de7d629fb6048d54
Markdownbc2c5f80bba12c08a398faab8267dab66e604ddec53436ae91d0ecb4352206db
PDF
Publication page0d1409929de06ae4d1028b50065331012305f4f5633b4c90cc865c6d6baf862b
Manifest4583f3ed71992404ad2c2f08d056b96c0127821c584a28c8c995cb90a4a1e560

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
SignatureiYcD4nScskMV5tgHZqpMkRxNgsSVKvC25weTC8Wml1wP9+1cCl/5a7efs/cFehiR7DXULefrVEKvjhdRSc/5Aw==
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

2026-09-17T09:35:18.974607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095749
observed 0d1409929de06ae4d1028b5006533101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.955464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095749/manifest.json
observed 4583f3ed71992404ad2c2f08d056b96c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.937919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095749/publication.md
observed bc2c5f80bba12c08a398faab8267dab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.921282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095749/publication.txt
observed 9286962478e780a5144548fa94539705...
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.