OpenTechnical

OT-2026-000075629

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000075629) never changes.

Identity and time

Publication numberOT-2026-000075629 · never reused
Internal UUID01a0ae94-29fd-7d39-be3c-17f1508e98aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075629
StatusPUBLIC

Content hashes

Canonical text3deff275ab4d378e78f7699df25bf5239fe98956d04094a406f494b46969826d
Markdowne0782ba30668af1cac2fef4b4f4175c1d134147cbc535e56402adbc09046b509
PDF
Publication page47f32af8bdee03850cbbed87358e1a9dfb9a5add5f182517d5e5f6078cf19049
Manifest9a3a01861cbb554f41116d49721a948ae7ada1b80e8b1b54ea720ea925849ca6

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
Signature4N92jcg+BnoCpgCVAn9QGIMGL6d2USD7Dcg5pBJWVwHfwWdNvimpC1NIgo5TuH9Q3nitWBEw9ZIxvf4cgPK0Aw==
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

2026-09-17T10:13:22.481525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075629
observed 47f32af8bdee03850cbbed87358e1a9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:22.050413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075629/manifest.json
observed 9a3a01861cbb554f41116d49721a948a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:22.032946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075629/publication.md
observed e0782ba30668af1cac2fef4b4f4175c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:22.013670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075629/publication.txt
observed 3deff275ab4d378e78f7699df25bf523...
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.