OpenTechnical

OT-2026-000019466

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000019466) never changes.

Identity and time

Publication numberOT-2026-000019466 · never reused
Internal UUID01a0ae6e-f393-7ce5-bc4e-2017f209fe18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019466
StatusPUBLIC

Content hashes

Canonical text87d05d5e857cd695a18ad3a5fbc28fe3379aa006717419a125b9bb0b71e8ec53
Markdown135111a912348f220c229c77d778c668d5224fe18a16d8e6bc14844f9d48c48d
PDF
Publication page462eb2dd7b7ea573459a93228b7994ec7c1b190b721ebd1b355667624ec1996a
Manifest1e03e32ebf1d6705661a4edfa0e7093e4f9f2c57c01df109d60d85da421d5e75

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+lLubSQ3t941xyrMllCAOYqOFHV/EdLAq6q3LIGIeWuKgedpgZ+gfG5BNpM/C4l092qKsVFUIfIW86xlUzkTBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:52.288593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019466
observed 462eb2dd7b7ea573459a93228b7994ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.271152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019466/manifest.json
observed 1e03e32ebf1d6705661a4edfa0e7093e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.254778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019466/publication.md
observed 135111a912348f220c229c77d778c668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.237018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019466/publication.txt
observed 87d05d5e857cd695a18ad3a5fbc28fe3...
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.