OpenTechnical

OT-2026-000091833

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091833) never changes.

Identity and time

Publication numberOT-2026-000091833 · never reused
Internal UUID01a0ae9d-43ba-7f06-a135-1a32c3917fc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091833
StatusPUBLIC

Content hashes

Canonical text1cf169dc7aa7c05eef1887e92c00ee8ba10c0e000f7f9ca80c87d0dd5d17ab81
Markdown5277b7a315a63ebed6fd0306f434a69911f50b6d88f6fe71ca24edeb6382e97e
PDF
Publication pagea6b6e7bb31698c8a23e91dbe718e6fe0a4ca8e5f2c5be87ff9eb24f8195406f5
Manifest349006ca6b308000b038bde9c9c52fad0bd3d78a83929fe1e72786b147da2305

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
SignatureOsGtyifHU+aCEdqD+NO/kCqgedtDIfwbWDWOT2PiM6aoNkPPeQnP/+2sZUARUg5Z5/ppnzCYj7pToHHFXPKoDA==
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

2026-09-17T09:42:44.977611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091833
observed a6b6e7bb31698c8a23e91dbe718e6fe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.960303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091833/manifest.json
observed 349006ca6b308000b038bde9c9c52fad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.943517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091833/publication.md
observed 5277b7a315a63ebed6fd0306f434a699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.926459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091833/publication.txt
observed 1cf169dc7aa7c05eef1887e92c00ee8b...
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.