OpenTechnical

OT-2026-000087016

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000087016) never changes.

Identity and time

Publication numberOT-2026-000087016 · never reused
Internal UUID01a0ae9a-9f2d-7409-8633-5dd59fefdf1d · 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-2026-000087016
StatusPUBLIC

Content hashes

Canonical texte742775fde7e9c335e568d9d28b0da62a301cce6340163b1ce67766ae3643d7d
Markdown335e1ef054ccbe18abbc9c9f02d85fd15f49a3571f9513d81f7aed7a7b01d45b
PDF
Publication pageb81eea938cb55b53fb3380ac574ac0d35fc7e37e3af9369ae6efc7a5b70c0532
Manifest33239df3c760c3713715d0152423ff3cfc2296e5347f7c063d3b098bf5c52eee

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
SignaturesSv3ocrwNcTw9xFHu9Wju3a9dm6VIn5nGWonk3Rt9KZNm+SbLZlz9ukidxd87qikaNIKeaHHVvrScUrlsJGzBQ==
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

2026-09-17T09:51:14.269491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087016
observed b81eea938cb55b53fb3380ac574ac0d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.250599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087016/manifest.json
observed 33239df3c760c3713715d0152423ff3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.232389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087016/publication.md
observed 335e1ef054ccbe18abbc9c9f02d85fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.214029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087016/publication.txt
observed e742775fde7e9c335e568d9d28b0da62...
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.