OpenTechnical

OT-2026-000054651

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single 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-2026-000054651) never changes.

Identity and time

Publication numberOT-2026-000054651 · never reused
Internal UUID01a0ae86-1284-73e2-8e43-09c3a031101e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054651
StatusPUBLIC

Content hashes

Canonical textfff31787c7bce60d4812d72d6b39d31310c77330c395771dbce4dda5f4a37588
Markdown716ec17e475fe2c5b85cdc1e73556d6f8c1bea5923a15c5f76ff262597492c26
PDF
Publication pagec6d5336c3e575cea1b444a249e4cba64011c11a24dd1d32c0833e5f3cf2d54f4
Manifest57414c74ab8ba571e129efbe0536783ff81cb9197e706c86d715e11d798137c2

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
SignatureOfNNagSwlFBy7GS/vVX8mPz3ZqZeVA55SarDJq1yS9/PaPTJI+5J7FuaKewrYpY/LHnPHY06P4gk90TBjhXhAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:43.185462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054651
observed c6d5336c3e575cea1b444a249e4cba64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:43.165285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054651/manifest.json
observed 57414c74ab8ba571e129efbe0536783f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:43.145669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054651/publication.md
observed 716ec17e475fe2c5b85cdc1e73556d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:43.125265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054651/publication.txt
observed fff31787c7bce60d4812d72d6b39d313...
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.