OpenTechnical

OT-2026-000030246

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000030246) never changes.

Identity and time

Publication numberOT-2026-000030246 · never reused
Internal UUID01a0ae73-e500-79b9-bf2c-64d49ae9f3f6 · 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-2026-000030246
StatusPUBLIC

Content hashes

Canonical textf8cf68e83b8ee290f1655cdcd5de0223b92c6352911120d29f1d773c881e523a
Markdownc7083bdc7a70cae2d33e4007977ae8ecc5d03320f6680499488c1c44393ef283
PDF
Publication page186c59f9e3d6e5a76e7d59520df62434618e74c8e079337edf488ca3711328e2
Manifest4d5b700b2e5406ebb59871893ab76034059a70e992ed2b1ce1ec14c240c46892

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
SignatureHGidseT2Jh7Q8kUjdAIWGq0B1pWmr9yyKsBe62Xdz+gPAMbvKhbGGS8irKbnpWEzpvRtX213IeswN/irjdRPCQ==
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

2026-09-17T11:40:37.803966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030246
observed 186c59f9e3d6e5a76e7d59520df62434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.784903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030246/manifest.json
observed 4d5b700b2e5406ebb59871893ab76034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.762706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030246/publication.md
observed c7083bdc7a70cae2d33e4007977ae8ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.739733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030246/publication.txt
observed f8cf68e83b8ee290f1655cdcd5de0223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.266400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030246
observed 186c59f9e3d6e5a76e7d59520df62434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.249515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030246/manifest.json
observed 4d5b700b2e5406ebb59871893ab76034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.230479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030246/publication.md
observed c7083bdc7a70cae2d33e4007977ae8ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.212550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030246/publication.txt
observed f8cf68e83b8ee290f1655cdcd5de0223...
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.