OpenTechnical

OT-2026-000083197

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, sustained blow-off before set-down

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-2026-000083197) never changes.

Identity and time

Publication numberOT-2026-000083197 · never reused
Internal UUID01a0ae97-c963-7adf-95e6-ec97f3e98c33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083197
StatusPUBLIC

Content hashes

Canonical text5607a0cadc0803750bfa037eeb18cd751315e37cbeff25e73ce4dd0541bdd418
Markdownbf1708c878c69c6dd55b3932843a8660dd89224b835e37316a02a3093bb8f15d
PDF
Publication page3d43de8facd7e18c0a686609384dd62433e063680a03a73185fb083cc3e80930
Manifestd027ac655a10b14e133654c71f02fe61a6cd054e4d0510227d4e993171e7c94c

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
SignatureBPdtAGaPhY2QLmNDnk27vDaSVN33d9WUp0Tj36/V/O9iTkeZaKzKlE4D0QQbwCrLMBsReAfnWL4NwWRB3SWEBw==
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

2026-09-17T09:01:02.650552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083197
observed 3d43de8facd7e18c0a686609384dd624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:02.630978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083197/manifest.json
observed d027ac655a10b14e133654c71f02fe61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:02.613292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083197/publication.md
observed bf1708c878c69c6dd55b3932843a8660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:02.594860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083197/publication.txt
observed 5607a0cadc0803750bfa037eeb18cd75...
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.