OpenTechnical

OT-2026-000075745

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000075745) never changes.

Identity and time

Publication numberOT-2026-000075745 · never reused
Internal UUID01a0ae94-29fe-7da9-8f84-21b04991aab3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075745
StatusPUBLIC

Content hashes

Canonical texta3b4ab6b572e33bb46ca38df72557b1fcebfc8ee578c2b25971b5bd7e8a87673
Markdown08aceee2d49fb467eb3228255fcfb4881a566de583658cb00f24bdc2e7660c5f
PDF
Publication page05cab320f82de7585873a219461d14ad8e7c984e222272e5a05350273aa107cf
Manifest5103c9041af10112e6e3f00f1a8a2b7be7f5b73006afb0a716eea474a1e6d7be

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
SignaturepoT2FGD2YqJeNwtlYHTs8qcEvlZGbtLT0Ogr3GBpHdIj6J8izPrvz/Mwj4aBi79VkOP1PkLRqreTNZdvp6NDBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:14:06.051047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075745
observed 05cab320f82de7585873a219461d14ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:06.030426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075745/manifest.json
observed 5103c9041af10112e6e3f00f1a8a2b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:06.010531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075745/publication.md
observed 08aceee2d49fb467eb3228255fcfb488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:05.991049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075745/publication.txt
observed a3b4ab6b572e33bb46ca38df72557b1f...
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.