OpenTechnical

OT-2026-000084139

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000084139) never changes.

Identity and time

Publication numberOT-2026-000084139 · never reused
Internal UUID01a0ae98-5b5f-75dd-a8f4-594626ff5f4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084139
StatusPUBLIC

Content hashes

Canonical textd921f91ce2ec96b19e8ea52e0d9186518f4817e4755435247b6be5b178fd5dc8
Markdown281cffa368140d13918b07f466025c58d999256f399eb83f83ef3140f76d3d5e
PDF
Publication page1db6a0369135781f3f59f2ed0d58c2033744a7c7e3ec4a30bc3f6ff17f05cc27
Manifestdf6316c32e47798a6a7bf022eab1ba154b0885e457ec25f88c9fc85348da89d6

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
SignaturefX/dKfYZCD9s8CLUfwmJ2yGpKRZj8ZgU8Uvt69DqJJHhNTRKx3Bi/YbhZAJyKoG/8XBUWuB0/cNMslhNrJWtAg==
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

2026-09-17T09:55:54.303038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084139
observed 1db6a0369135781f3f59f2ed0d58c203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.284371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084139/manifest.json
observed df6316c32e47798a6a7bf022eab1ba15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.264396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084139/publication.md
observed 281cffa368140d13918b07f466025c58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.245499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084139/publication.txt
observed d921f91ce2ec96b19e8ea52e0d918651...
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.