OpenTechnical

OT-2026-000006337

Publication integrity record

Vacuum cup gripper, three zone face, two stage ejector, 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-2026-000006337) never changes.

Identity and time

Publication numberOT-2026-000006337 · never reused
Internal UUID01a0a957-7c9f-7bed-9d71-ae8363285fdf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:31:18.178736Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006337
StatusPUBLIC

Content hashes

Canonical text394f722b089b410e520772f21b1cc7953c8bad01d87cbee05cda08dd425b22bd
Markdowna0293099a63a6f40bd7cd01aa433fd564f618b9f7eef78bba5bd3c1314780fea
PDF
Publication page0977114b794565a9125093b44d9c670eede684d69657e6268209dc45eb9fdcbc
Manifest4f861563790e691d096f0d3c0ec8b5bf2f072c21b68339374509e84e649a3339

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
SignatureV/H0T9i4+ayf3mSy7HsSRCmZtDxSZcm884Y6MGdzctXlKuKD6cwZ5GJ7AM8k2PY0mjwmYs2fTU/9bgSGU0pDBg==
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

2026-09-16T08:40:29.713267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006337
observed 0977114b794565a9125093b44d9c670e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:29.697239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006337/manifest.json
observed 4f861563790e691d096f0d3c0ec8b5bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:29.683227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006337/publication.md
observed a0293099a63a6f40bd7cd01aa433fd56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:29.668863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006337/publication.txt
observed 394f722b089b410e520772f21b1cc795...
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.