OpenTechnical

OT-2026-000030531

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000030531) never changes.

Identity and time

Publication numberOT-2026-000030531 · never reused
Internal UUID01a0ae73-e504-79ab-88ee-9256b56f687b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030531
StatusPUBLIC

Content hashes

Canonical text9e6efd303c2fbc31a11026b1decc4c669b6ca408221f1596389c41b4e17cd4e5
Markdown2b59881f9d0cfddebd6b91111ca5fa3d2c05cf868ef5bed7d5f86c5e55e97693
PDF
Publication pagef2750e39ec4189f9217d4e9d3298b21fe72af3a1cd189c0e2d01dc56bdc959f3
Manifestbddb5cafbc8f4280f922107de12bba828448454ec78224f79046a3bd554b44ac

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
SignatureX0WRNaTqYGmYayaBMKHl9BvcMg5NpSkcn85kP+PdAFsl/jT9735cJePQQ+M6thfOS+rCTNwU2rZE0lvJ7S9/Dw==
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

2026-10-14T04:23:05.130816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030531
observed f2750e39ec4189f9217d4e9d3298b21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-14T04:23:05.112755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030531/manifest.json
observed bddb5cafbc8f4280f922107de12bba82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-14T04:23:05.087515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030531/publication.md
observed 2b59881f9d0cfddebd6b91111ca5fa3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-14T04:23:05.038295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030531/publication.txt
observed 9e6efd303c2fbc31a11026b1decc4c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.902201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030531
observed f2750e39ec4189f9217d4e9d3298b21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.883343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030531/manifest.json
observed bddb5cafbc8f4280f922107de12bba82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.865966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030531/publication.md
observed 2b59881f9d0cfddebd6b91111ca5fa3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.848052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030531/publication.txt
observed 9e6efd303c2fbc31a11026b1decc4c66...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent