OpenTechnical

OT-2026-000100855

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000100855) never changes.

Identity and time

Publication numberOT-2026-000100855 · never reused
Internal UUID01a0aea3-66f5-76ff-bb1a-c4196dd2d7d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100855
StatusPUBLIC

Content hashes

Canonical textac125c1c1c255cb697bb65af83264147597a81f4d3d9499c39c384144d3f1ea7
Markdown7d728e1879e089269aa10b4717f34cdb17fa9776fed599d1b340fbc92fb8448c
PDF
Publication pageca25821d07e10500262dc0128bbc76b71c5d930f54865adec5469f8b42a77a6e
Manifest1585868c90c7b18a18498eaf8bb0a84dad5885e9c9e28cbe411af46720c13061

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
SignatureDz56r2O6sdv2qsyPjmD/joQOGTzb45HXi/+/QV/NpdbpwqpxozvdeKZc/7+2F9PaMP71zwUT28inIY9uipgiBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:47.096492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100855
observed ca25821d07e10500262dc0128bbc76b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.077392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100855/manifest.json
observed 1585868c90c7b18a18498eaf8bb0a84d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.058946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100855/publication.md
observed 7d728e1879e089269aa10b4717f34cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.041743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100855/publication.txt
observed ac125c1c1c255cb697bb65af83264147...
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.