OpenTechnical

OT-2026-000095042

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single 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-2026-000095042) never changes.

Identity and time

Publication numberOT-2026-000095042 · never reused
Internal UUID01a0ae9f-2df0-7cae-9a41-04c6689f36dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095042
StatusPUBLIC

Content hashes

Canonical text8264bc59900a1804954622d57ff226f70678f973d5910e6cc5eb8869be7e1f46
Markdown9987786f314318283f317dfcb396fcd7f4add24454bd2964dcb44411e4fecf71
PDF
Publication page665f6ecf1defec40727555b334e9e2881e2881bcfcd5fe07de31d6c55e231297
Manifestf4f85805f455fb35369e5ded1a8dc97f7eecc98956ab558be73c7a52624ef35e

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
Signaturek7+KMLqQ+/Lje7LDocXU9DMSH41sUh7jIHzi5ZL25lawcc9+h4FEbDalSdUuXgkTz5NH8mHmQUqzqLstRcUeAw==
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

2026-09-17T09:37:36.347184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095042
observed 665f6ecf1defec40727555b334e9e288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:36.329320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095042/manifest.json
observed f4f85805f455fb35369e5ded1a8dc97f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:36.313641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095042/publication.md
observed 9987786f314318283f317dfcb396fcd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:36.297423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095042/publication.txt
observed 8264bc59900a1804954622d57ff226f7...
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.