OpenTechnical

OT-2026-000070055

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, 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-2026-000070055) never changes.

Identity and time

Publication numberOT-2026-000070055 · never reused
Internal UUID01a0ae91-1861-7642-9b0a-24d56a148a63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070055
StatusPUBLIC

Content hashes

Canonical text0550830fccdad865848d7444ea9ac5a37d8c2e21ab58c2b793f4c3adc3730163
Markdown5af2839162c95b0946bed8c656c376a398f984cf10987c76690fbec4c618e7e7
PDF
Publication pagebf4ffeb9a794bd120b005083ab1aa3e155b057208a9f8b742bb1944779e8ec4a
Manifestf5052aff703d1b97e7319e260598e712433bf4cf646a45004553df038103239a

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
SignaturepNKEMfNs7AWmrUV6MUH/Ar6WE4W0gGcVc6WPWwKZ9c/H5n4MdRRvlP4xwHsIUImpFRPRbBN9k5ZN89fhn67+Bg==
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

2026-09-17T10:27:00.750002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070055
observed bf4ffeb9a794bd120b005083ab1aa3e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.732285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070055/manifest.json
observed f5052aff703d1b97e7319e260598e712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.715612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070055/publication.md
observed 5af2839162c95b0946bed8c656c376a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.699106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070055/publication.txt
observed 0550830fccdad865848d7444ea9ac5a3...
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.