OpenTechnical

OT-2026-000100623

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000100623) never changes.

Identity and time

Publication numberOT-2026-000100623 · never reused
Internal UUID01a0aea3-66f2-7f53-bd8b-3e57c3fdcad2 · 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-2026-000100623
StatusPUBLIC

Content hashes

Canonical texta1dedae9531379a74753031eb403ba892091d34bfc4bceafd76df5526d169f25
Markdown4400316da83aae0337bb27f98548828d519e457378a6fbdc11c352df70eaeafe
PDF
Publication pagefb03eca3e031aea347e5c3944bd286fc39a22f358fdf6944f14e34f8d5bfdea7
Manifest428b3183816ef41af45a29c17b763705a83a3ab70b4300b422af1a79d53a8f61

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
SignatureYGYeCQIJyrm+eQrGbbqGfxgFwDnj70lqThGrFBCjOjyNhR1w1E/5p3e22oxD6b1eJAPvfZlvW8CAJjqstb30CA==
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

2026-09-17T09:27:25.303379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100623
observed fb03eca3e031aea347e5c3944bd286fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:25.284931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100623/manifest.json
observed 428b3183816ef41af45a29c17b763705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:25.266168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100623/publication.md
observed 4400316da83aae0337bb27f98548828d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:25.245762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100623/publication.txt
observed a1dedae9531379a74753031eb403ba89...
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.