OpenTechnical

OT-2026-000040437

Publication integrity record

Single cup vacuum gripper, single stage ejector, sustained blow-off after 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-2026-000040437) never changes.

Identity and time

Publication numberOT-2026-000040437 · never reused
Internal UUID01a0ae79-2701-786f-8183-1020426a662c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040437
StatusPUBLIC

Content hashes

Canonical textdd9c04a5ed1a5ac94bdaa0efe0dc97fff7151251d33107f0b4905061f49daa07
Markdownf68b6c44c0cd9137cb8025ee25bdb24795b66f0e582eb84c8abaa9f620ab74c2
PDF
Publication page3702ee3f9bec99fd0d14ca3b015e8da9e49d1a7ca77d758c05995464c1c00edf
Manifest9ca8c71cff05d3a9dd6b4ebaba88b79d3a3a3b0010a78ffbc7f0379a73a97858

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
Signature+8720p3ltvkVGIaQzEhDn7ktmBfvmA6ucHEpa/PFgsMBMEg9HRyjo+qXU2bCh46YBrJxl1bENCbUaLl5R4gcAw==
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

2026-09-17T11:19:28.828587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040437
observed 3702ee3f9bec99fd0d14ca3b015e8da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.811855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040437/manifest.json
observed 9ca8c71cff05d3a9dd6b4ebaba88b79d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.793927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040437/publication.md
observed f68b6c44c0cd9137cb8025ee25bdb247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.776497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040437/publication.txt
observed dd9c04a5ed1a5ac94bdaa0efe0dc97ff...
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.