OpenTechnical

OT-2026-000034615

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, 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-2026-000034615) never changes.

Identity and time

Publication numberOT-2026-000034615 · never reused
Internal UUID01a0ae76-1ed1-7a14-a69d-7eef7e221b99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034615
StatusPUBLIC

Content hashes

Canonical textceedabe258cc597e234b3741164b0d1b81317fc92d1dde00287d8c3b868f1d57
Markdown16c40a56ddbd07a087d0d9e16211a77968968e6878b2a8d26d4e61b99b182613
PDF
Publication page884f58bffdc88fd93a5da60983214e4a357bd1cb009691847f257c65b14a57fe
Manifest08653832effa7b9df3f57f2c3b68d91bacb5dc07d5b32e2b412d3f932abad033

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
SignatureksG8Gc+Xm4vSFY9Vd+BTBAVtqctBxR0CXXfAMdro5Qj9cOvC39aj/I4AzjU5Sipx9x5vLjJ0Jl8/JiUQNZMhDA==
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

2026-09-17T11:28:59.818744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034615
observed 884f58bffdc88fd93a5da60983214e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.801264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034615/manifest.json
observed 08653832effa7b9df3f57f2c3b68d91b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.782872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034615/publication.md
observed 16c40a56ddbd07a087d0d9e16211a779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.767270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034615/publication.txt
observed ceedabe258cc597e234b3741164b0d1b...
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.