OpenTechnical

OT-2026-000012200

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000012200) never changes.

Identity and time

Publication numberOT-2026-000012200 · never reused
Internal UUID01a0ae6d-39f5-71bb-ba08-826bc03d8382 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012200
StatusPUBLIC

Content hashes

Canonical text627e1ae07f269c67fe754736930e0a587eeaa60f3fee0b6d757cfdd70e9377cf
Markdown949a6008369219c6c5a11539a58fc8584c2e93df69872b63ca901d4230e9dddd
PDF
Publication pagea5c7c0d77f21c161274bd0244688abf280b6db6691fe9867e05bc0dc2f7d76a3
Manifest797566584322e2a9f16521ba015574d2cfb7ffa4c92084c2910d79f5ea1d6c5d

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
Signaturel0W6e+OMPD52G6QBKfC93tJg8ljZximLzYkHVRcQqynVGIWe8ryC3E757DxSD+ZLdRmK+79Z37q0DAPpsXzECA==
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

2026-09-17T12:11:06.658782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012200
observed a5c7c0d77f21c161274bd0244688abf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.640629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012200/manifest.json
observed 797566584322e2a9f16521ba015574d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.623065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012200/publication.md
observed 949a6008369219c6c5a11539a58fc858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.587244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012200/publication.txt
observed 627e1ae07f269c67fe754736930e0a58...
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.