OpenTechnical

OT-2026-000095592

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000095592) never changes.

Identity and time

Publication numberOT-2026-000095592 · never reused
Internal UUID01a0ae9f-8f75-7f12-b169-69e04626fb90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095592
StatusPUBLIC

Content hashes

Canonical textcef98a2de61520bcf4eb083b3edacd5b04796a3fa95a478fec8627f199d7a54a
Markdownc21a8d77fc81f69459ec43064b6065f1e1bb09268b4c4b77bbb4296512998531
PDF
Publication page16b63b7e701b0b4e156abbb51c7e29ac45e366e335a26c1587f239ef31bbf6c6
Manifest4c6c95e8e20c45043126217498997c20e232540ccb4ef884b3856c152e30f5c0

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
Signature575YchlbDZHZBZmaW58c0uiR7PwxS6GoF86gSu/isyS5On/YVMItrXl9wtBA/i2yMzlXSqEZKlQ0OXAV1cbwBQ==
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

2026-09-17T09:37:00.791866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095592
observed 16b63b7e701b0b4e156abbb51c7e29ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:00.774899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095592/manifest.json
observed 4c6c95e8e20c45043126217498997c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:00.760701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095592/publication.md
observed c21a8d77fc81f69459ec43064b6065f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:00.744032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095592/publication.txt
observed cef98a2de61520bcf4eb083b3edacd5b...
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.