OpenTechnical

OT-2026-000006407

Publication integrity record

Porous face vacuum gripper, three zone face, ejector fed, contact triggered, vented after 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-2026-000006407) never changes.

Identity and time

Publication numberOT-2026-000006407 · never reused
Internal UUID01a0a95a-2d1c-7c40-876d-f7696203406e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:34:14.430711Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006407
StatusPUBLIC

Content hashes

Canonical textc760bab9635013ce4eeede4a27d98681741f2e7d909d5acc4b2eb2ca86968339
Markdownab2beba5f80c9d3cf32b37eabd28b75373f52de50553181fb5c055ec954be38e
PDF
Publication pageafc57e401e97535bccfc55b1f704706ab6fa444f9c5007a62357bc4bfdc88789
Manifest94563198ecfec205f4acfa7fb6342cca2d7ec9852a4216403624a93eaed7f778

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
Signature/6pOzxeiCQlfshPxMJh6praxiv4t7S7IcAaT8cvICvs7Jz01OiUITn0oxuIqUo2qcCfglViith7xu6z/3e92Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:21.131080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006407
observed afc57e401e97535bccfc55b1f704706a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:20.991506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006407/manifest.json
observed 94563198ecfec205f4acfa7fb6342cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:20.977920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006407/publication.md
observed ab2beba5f80c9d3cf32b37eabd28b753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:20.965549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006407/publication.txt
observed c760bab9635013ce4eeede4a27d98681...
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.