OpenTechnical

OT-2026-000091343

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091343) never changes.

Identity and time

Publication numberOT-2026-000091343 · never reused
Internal UUID01a0ae9c-f16c-705a-b55c-1c46589b2226 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091343
StatusPUBLIC

Content hashes

Canonical text7212a31ae06fe9c405c14c8b2af6294c5d70261b4f8464c3d8fc7553f1675361
Markdown992f0844fd8d8ae1123b8da0288f1d49c3d07d503a5746c134007e2e9b481090
PDF
Publication page6410744433634c82e8545be618ff0d14c04ca54cf827b96c9805afe40acfc2c4
Manifest54b5538f3abc855e9040eb74fffa1470cf6bcc9a063f3bad07a904084f87fbbd

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
Signature3jV/hfP2QL385uBMbrUjbXCNNILZMK7QHTMSsli4clA2aMREgkd36yDgDwuY8pM/dKDaJgtyHKt8bbUZuZALDw==
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

2026-09-17T09:43:33.186710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091343
observed 6410744433634c82e8545be618ff0d14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.169646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091343/manifest.json
observed 54b5538f3abc855e9040eb74fffa1470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.152710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091343/publication.md
observed 992f0844fd8d8ae1123b8da0288f1d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.136214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091343/publication.txt
observed 7212a31ae06fe9c405c14c8b2af6294c...
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.