OpenTechnical

OT-2026-000030276

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000030276) never changes.

Identity and time

Publication numberOT-2026-000030276 · never reused
Internal UUID01a0ae73-e500-7219-97d7-aee336b81153 · 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-2026-000030276
StatusPUBLIC

Content hashes

Canonical text72f21c08ed175e27b363350dd5c131face7e39142f9f7147e5becc2e367d191b
Markdownfc63263090866653d1d3253397f2d0c30de9f7040004b7e04178dee81d9bb167
PDF
Publication pagec4677e2fdfc01d6597acc1bd294db77e4424344a090f3d92d76a58a36af24361
Manifest0c328238f99e208b8bd77b593dfd0f161b8c510e8e58ca69289989c49cc23b23

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
SignatureRGsV0EAQPBMT/Mr+OnVbUpUUzXd/uuULb5Q6S7tnqe4HKz7AR5O4rzFwIc8ASL++NHiZv8rNb0i3d4q2HyJbAA==
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

2026-09-17T11:40:46.650340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030276
observed c4677e2fdfc01d6597acc1bd294db77e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.626214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030276/manifest.json
observed 0c328238f99e208b8bd77b593dfd0f16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.609659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030276/publication.md
observed fc63263090866653d1d3253397f2d0c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.590767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030276/publication.txt
observed 72f21c08ed175e27b363350dd5c131fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.553137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030276
observed c4677e2fdfc01d6597acc1bd294db77e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.535820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030276/manifest.json
observed 0c328238f99e208b8bd77b593dfd0f16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.516563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030276/publication.md
observed fc63263090866653d1d3253397f2d0c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.494226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030276/publication.txt
observed 72f21c08ed175e27b363350dd5c131fa...
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.