OpenTechnical

OT-2026-000049251

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two 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-2026-000049251) never changes.

Identity and time

Publication numberOT-2026-000049251 · never reused
Internal UUID01a0ae81-134f-76d6-b02e-dce476f8125e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049251
StatusPUBLIC

Content hashes

Canonical textc50e2a7c881e08a537a4cc06a94f9b56936f3814468da219417e0ca8eaa08706
Markdown94db67ccccd9be667d27bd96d650f575281f6fc21993bd692b6945333c4151a3
PDF
Publication page229c5c3a292e17b0ed298eafe511e116f1db1c5769d7a36151503d9a01b4a331
Manifestcb6d0a13ab927f94e08a75d2299cd7e22c7ea28d38287f647603e8123830c861

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
SignatureITKLno6g/TDI3cdo1BLCm95lIJIEoMVDYchO0wsxizMApaQry1rETQEHFmRTJ4Mau0+v4ZP97aysnS2o43f7Cg==
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

2026-09-17T11:04:05.873793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049251
observed 229c5c3a292e17b0ed298eafe511e116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:05.853842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049251/manifest.json
observed cb6d0a13ab927f94e08a75d2299cd7e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:05.834101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049251/publication.md
observed 94db67ccccd9be667d27bd96d650f575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:05.813318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049251/publication.txt
observed c50e2a7c881e08a537a4cc06a94f9b56...
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.