OpenTechnical

OT-2026-000075809

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single 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-2026-000075809) never changes.

Identity and time

Publication numberOT-2026-000075809 · never reused
Internal UUID01a0ae94-29fe-7f46-ab1b-b792fbb49cff · 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-2026-000075809
StatusPUBLIC

Content hashes

Canonical texte60755050682294f291edbc168c7f0b05960ebd4f1f7370940cb38fb47c1ba35
Markdown52af2fa8aef42595a0986d8be9f6580b01e795791b2f28e3ccd45197a7c29779
PDF
Publication page3bf99b166db7dfe4ac5d8685fdb184a9da36ac9bfe29e5f31fa24c305c039f49
Manifest62b49d5b496e73b9d8a5b5c813862beae6aa1d7492cbbbb78f8d68497df5d829

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
SignatureCA5OWfuUqI33RJ1+O7SkDCd6wnpuvoyn4K2fPF5a15wmZG3VK9Y8P6iBb13Op7rqV/37B0Zze2iUmwhDS1AXDw==
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

2026-09-17T10:14:19.248981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075809
observed 3bf99b166db7dfe4ac5d8685fdb184a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:19.230659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075809/manifest.json
observed 62b49d5b496e73b9d8a5b5c813862bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:19.209660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075809/publication.md
observed 52af2fa8aef42595a0986d8be9f6580b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:18.802072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075809/publication.txt
observed e60755050682294f291edbc168c7f0b0...
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.