OpenTechnical

OT-2026-000085624

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000085624) never changes.

Identity and time

Publication numberOT-2026-000085624 · never reused
Internal UUID01a0ae99-aaad-76c8-b497-8f1e43f2f01f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085624
StatusPUBLIC

Content hashes

Canonical text70eaf564f3bbd4004a90ced44a25ce8ca07edbdfca9cfad17662b342c59de44c
Markdown7dcbd7ff362215d9d060b28a34335956117d530859028d285110947201699edc
PDF
Publication page2e8c4b974f72ad8f65239d24f2ec01747629838a941b2d230aab95dd30120fbd
Manifestfc884eec4093e142ac38c42fc627748e0238bf202ce6aa3735a153ce7e9eae15

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
SignatureyuVg3HiPndRgWzifDmNS0DCDej8aDFStSGERffCZ94jGTpuU/6kNowuiXemsiQOami2dpABxNGtnO4TOVKU5AQ==
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

2026-09-17T09:54:30.488300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085624
observed 2e8c4b974f72ad8f65239d24f2ec0174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.466135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085624/manifest.json
observed fc884eec4093e142ac38c42fc627748e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.445489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085624/publication.md
observed 7dcbd7ff362215d9d060b28a34335956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.425656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085624/publication.txt
observed 70eaf564f3bbd4004a90ced44a25ce8c...
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.