OpenTechnical

OT-2026-000011477

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000011477) never changes.

Identity and time

Publication numberOT-2026-000011477 · never reused
Internal UUID01a0ae6c-88ff-7886-a647-a199e196af44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011477
StatusPUBLIC

Content hashes

Canonical text982ca85a3f6519f7b7c3c294f5b1c22118bebdf5b4d3832ee75d16b5829b92d9
Markdownf0d09aaad063d6a18dd7966170c3e2a10456322d96359a60cc096c8e8f3753c0
PDF
Publication paged3ce18360a7de86586883476d5b9db464191026b10c8e8d99f17c27c4a30a264
Manifesta1a8f6039ba05cd005925fc076918604547cfe5410e6a243be88fdc5463f26d3

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
Signature9JzMRnJvRu+6zOrmfqK7VnDXZlVEv3G0Ljc7TMI3lyzf+cEF+mbJgKqdtd6SilP+N8YMp+Ls8Ep1ZuNojcqdCA==
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

2026-09-17T12:13:14.946823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011477
observed d3ce18360a7de86586883476d5b9db46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:14.926278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011477/manifest.json
observed a1a8f6039ba05cd005925fc076918604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:14.907744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011477/publication.md
observed f0d09aaad063d6a18dd7966170c3e2a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:14.889039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011477/publication.txt
observed 982ca85a3f6519f7b7c3c294f5b1c221...
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.