OpenTechnical

OT-2026-000013799

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000013799) never changes.

Identity and time

Publication numberOT-2026-000013799 · never reused
Internal UUID01a0ae6d-8de9-715e-a2e1-2039e41303c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013799
StatusPUBLIC

Content hashes

Canonical text186a61ccf67cbf43802026661f0abf89df93fe6af8fc31e2869ba829f393cb11
Markdownd41a601e50eb3e8536023aac4dac1fc8e5799efb65ef58864a094009055019ff
PDF
Publication page894553a439b183cace769ca6d2fe66b7fc416213c3aecb9c4cc751b0c3260c68
Manifest1ee55dd3c746c655783fe8e5622239e3a6f5894f4d90489f8728df2fd57ad76d

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
Signature9QfCIv9b69yl/vnwWC0V3WIDq4s4D8p3McpszziKQVcuqy5AoGVjfmvu4x2cG5fXNS39t9FYo70Cc5kvG6B/AQ==
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

2026-09-17T12:08:53.402028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013799
observed 894553a439b183cace769ca6d2fe66b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.384630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013799/manifest.json
observed 1ee55dd3c746c655783fe8e5622239e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.365593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013799/publication.md
observed d41a601e50eb3e8536023aac4dac1fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.348202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013799/publication.txt
observed 186a61ccf67cbf43802026661f0abf89...
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.