OpenTechnical

OT-2026-000034331

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000034331) never changes.

Identity and time

Publication numberOT-2026-000034331 · never reused
Internal UUID01a0ae75-df0e-71ff-91ff-a99989140c14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034331
StatusPUBLIC

Content hashes

Canonical textd6dc867195bcb0e731c26d639d9d69843ca375b023a50be2d44d1581dc725428
Markdown956adc7cf4d13d6916a081a860944ea48182f8cb50608c3654b31f47fd4f110c
PDF
Publication page4ed9161f51ce7f5ac459eb8f80b2f920f5ca99cd0f232411e28a34f8496a8d99
Manifest400b2391ffff50d1d4481c502c3f16047eca39cd7dfc33afd4380d807e4c16ea

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
SignatureFzvcmSkqgWBfpLGot8VSnpvH403RI4VfqfITbziv3z+VcNiKCesw/iPEBOy3w3BUDcAi2NDCFrSb2v+vMqFJBQ==
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

2026-09-17T11:31:01.636258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034331
observed 4ed9161f51ce7f5ac459eb8f80b2f920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.618951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034331/manifest.json
observed 400b2391ffff50d1d4481c502c3f1604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.600832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034331/publication.md
observed 956adc7cf4d13d6916a081a860944ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.582085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034331/publication.txt
observed d6dc867195bcb0e731c26d639d9d6984...
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.