OpenTechnical

OT-2026-000042033

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off after 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-2026-000042033) never changes.

Identity and time

Publication numberOT-2026-000042033 · never reused
Internal UUID01a0ae7a-5d70-71ad-b147-8b7031379efc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042033
StatusPUBLIC

Content hashes

Canonical text72a3fee2523faca2d0cdb78029f2257119f6cb02355ae4141dd9af8a29670ada
Markdowndcec68e5017994a6686135f629c189ede8f922cdb63165df94cd141d183e435e
PDF
Publication page4bb342129c9c768a48a1e61f995d94d39f4c153339642805f3707cd11fc35389
Manifest6a72dff7d9bf9fe549cbf35f1c156d20b4b2ed454c360dd0f6fbeddef72d9f8b

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
SignatureRGmgva4PMgXzKr8Nw6L/jV2+pwtZ2p0wlzho7BCcwxmyTpQW1pVuxQf98hgF+nz+VBibmkMgNJUv1uoaA0dNAA==
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

2026-09-17T11:15:32.595716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042033
observed 4bb342129c9c768a48a1e61f995d94d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:32.577160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042033/manifest.json
observed 6a72dff7d9bf9fe549cbf35f1c156d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:32.556022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042033/publication.md
observed dcec68e5017994a6686135f629c189ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:32.536999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042033/publication.txt
observed 72a3fee2523faca2d0cdb78029f22571...
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.