OpenTechnical

OT-2026-000082172

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000082172) never changes.

Identity and time

Publication numberOT-2026-000082172 · never reused
Internal UUID01a0ae97-4d93-7783-a723-4fe82f873316 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082172
StatusPUBLIC

Content hashes

Canonical text10e2995c4f4fa73e63fb4b0864fd2109189db96159198dcc6812136031f6e94a
Markdowna90495bff8eae6527e304dcef73b7a7852e8437bba07fa27fd8a525acb849e38
PDF
Publication page9f09d4f62651d956fc8bce02a63861378818e30345c3378e4a169bbae00b3d92
Manifeste2ce9fe9955cd3bdb1808229c2f998d765af2cce0f9f2ede78fa94df2080d737

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
Signature2uT86nd3IG8WgvQQLl6TA8wzm4kigjBuS36iNa6upBAgv2CLpbVQqifisYIaXLrcpCJP27X3Ll+sIcsbRk6pBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:59.903397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082172
observed 9f09d4f62651d956fc8bce02a6386137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:59.886235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082172/manifest.json
observed e2ce9fe9955cd3bdb1808229c2f998d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:59.869186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082172/publication.md
observed a90495bff8eae6527e304dcef73b7a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:59.852996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082172/publication.txt
observed 10e2995c4f4fa73e63fb4b0864fd2109...
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.