OpenTechnical

OT-2026-000091393

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000091393) never changes.

Identity and time

Publication numberOT-2026-000091393 · never reused
Internal UUID01a0ae9c-f16d-7e1a-b427-a53dd8c04eb3 · 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-2026-000091393
StatusPUBLIC

Content hashes

Canonical text5f10b2a9a3f7662f68adf892d694c1ad21b77cbc4741273924d1d92761b3369a
Markdown0188fa837eb8e9578bf5755d8756d506f9232de34aae0052b4caa13b1466c732
PDF
Publication page657c7a39f06faeaae091e88c07901039bec9d9a911fe706734a505e1ce8b64c0
Manifest1aee8d13133b23cbdbda4adb34990487b72d234a00fc3d1b43068f760ce53531

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
Signature7XQranA1n8QMJaCSLxZlINtoCPoCHnSmAHgVtSij2nOKmHfxzj1HEck7bBnKpt1FW1SSpRZk/PTrSvUVh4seCg==
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

2026-09-17T09:43:37.086364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091393
observed 657c7a39f06faeaae091e88c07901039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.065024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091393/manifest.json
observed 1aee8d13133b23cbdbda4adb34990487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.043713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091393/publication.md
observed 0188fa837eb8e9578bf5755d8756d506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.024908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091393/publication.txt
observed 5f10b2a9a3f7662f68adf892d694c1ad...
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.