OpenTechnical

OT-2026-000050775

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000050775) never changes.

Identity and time

Publication numberOT-2026-000050775 · never reused
Internal UUID01a0ae82-c7b1-7245-84df-f3ff01beadc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050775
StatusPUBLIC

Content hashes

Canonical text309638ee638379d23b10cb19b9d2172cd43c8750cf1b144b282dcc1444a343e4
Markdown2270f78e478ccfa2a7013d8a25a612d3f0003b173ef15526ac88b89a224c2cd9
PDF
Publication pagef7cfa5e2b636d9e6448e043582228e21ae1c292378d15fab235facf81308b1a1
Manifest5bbf18f79ab9ad10f85892c1074bdabf6701de1afc7cfe3e1efcc761e82c21e3

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
SignatureFTwllbHQ1miDHgCSd9xBsewD5YPx+HWmHoGSum0Mvq1Odspz/IlNsbrb6aCYO6SNMwbZmw7vk+7leUpVmwvoCg==
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

2026-09-17T11:00:16.788625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050775
observed f7cfa5e2b636d9e6448e043582228e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.761946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050775/manifest.json
observed 5bbf18f79ab9ad10f85892c1074bdabf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.736557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050775/publication.md
observed 2270f78e478ccfa2a7013d8a25a612d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.734369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050775
observed f7cfa5e2b636d9e6448e043582228e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.713648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050775/publication.txt
observed 309638ee638379d23b10cb19b9d2172c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.709424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050775/manifest.json
observed 5bbf18f79ab9ad10f85892c1074bdabf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.680185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050775/publication.md
observed 2270f78e478ccfa2a7013d8a25a612d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.651168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050775/publication.txt
observed 309638ee638379d23b10cb19b9d2172c...
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.