OpenTechnical

OT-2026-000049919

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000049919) never changes.

Identity and time

Publication numberOT-2026-000049919 · never reused
Internal UUID01a0ae81-fd76-70ac-9028-15660314d632 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049919
StatusPUBLIC

Content hashes

Canonical text92216171b0c0bcf9e1e03e1b025b1c122c12ade1cff86c37a759d247fd94d581
Markdown76a57bbbe9a02b1af9ff5758e93d3433ebd50310d49d2c023c03f6dac6c80815
PDF
Publication page9e27c7a4dab4d3bc4ff19cfdef7602dbe182973ba07a871b772ae26238424615
Manifest57473b34fb13ead69400166614aa8a76c4123df4b19945172482d906858d17b4

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
SignaturejZlzwJDH3SeOmqd/fesAdbXec1cFlaRZMSRXI+S0IB++/HlCRwbn4QuhN4NJBMbIlM5j6OsvT+V2iprXhblMBA==
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

2026-09-17T11:01:50.752165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049919
observed 9e27c7a4dab4d3bc4ff19cfdef7602db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.734164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049919/manifest.json
observed 57473b34fb13ead69400166614aa8a76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.714267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049919/publication.md
observed 76a57bbbe9a02b1af9ff5758e93d3433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.695085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049919/publication.txt
observed 92216171b0c0bcf9e1e03e1b025b1c12...
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.