OpenTechnical

OT-2026-000049259

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

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-2026-000049259) never changes.

Identity and time

Publication numberOT-2026-000049259 · never reused
Internal UUID01a0ae81-134f-7c33-9dca-5273ab0287b5 · 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-2026-000049259
StatusPUBLIC

Content hashes

Canonical textc7e313b4d1396f33a95d6818fa3ca36864c6d03478dac07f233f00f97fb7ffca
Markdown18150da77ce5aba770eb1cb7375c154471429fd4a1011e95eb00326324295e27
PDF
Publication page574311dd3e2f70f0e9eb2c22da97a1af8391ff8c689c0754574999efeb2046df
Manifest6aecc6ea7ba3243a18e9098e8db679210a6316436b133b0bb7c74ac8a52faea3

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
SignatureuB09bmCfGrAfqgpabl1WJEzo+mgDFcPLT2jKA2lOJEvYC9AnPPpOYzoQcAf2/AKPVz9zdzQuN3ghkX+2JpXyBw==
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

2026-09-17T11:04:06.540728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049259
observed 574311dd3e2f70f0e9eb2c22da97a1af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:06.522161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049259/manifest.json
observed 6aecc6ea7ba3243a18e9098e8db67921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:06.502727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049259/publication.md
observed 18150da77ce5aba770eb1cb7375c1544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:06.483619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049259/publication.txt
observed c7e313b4d1396f33a95d6818fa3ca368...
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.