OpenTechnical

OT-2026-000087063

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000087063) never changes.

Identity and time

Publication numberOT-2026-000087063 · never reused
Internal UUID01a0ae9a-9f2d-7f55-a258-782e6e9f5744 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087063
StatusPUBLIC

Content hashes

Canonical texta2876273f3b642d72e83a3fe75e6664edb749e96ace2ce8a42b4f7953d14006f
Markdown74e6b1f3aa103a8e9ecc25a8febc98f96f486ee1dea2a5ac50ae0a59117d24d2
PDF
Publication pagebf2996573865cf0295da5090ec68be7d028c943f489f9c9b210d3cfd35c6087a
Manifestfc59718bae15cf6000d46623c1cbf482840bc4f5c20c200b9670f7f940231121

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
Signature+6g5o1Plv9KMVNShydeovsdfq06yQkg8Jfhk9S7u5ji3YUGKsTQKFZzoOUhNvTVtcrz1RBD280QobOWEU48nDA==
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

2026-09-17T09:51:18.706365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087063
observed bf2996573865cf0295da5090ec68be7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.689531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087063/manifest.json
observed fc59718bae15cf6000d46623c1cbf482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.672785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087063/publication.md
observed 74e6b1f3aa103a8e9ecc25a8febc98f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.656368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087063/publication.txt
observed a2876273f3b642d72e83a3fe75e6664e...
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.