OpenTechnical

OT-2026-000056785

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000056785) never changes.

Identity and time

Publication numberOT-2026-000056785 · never reused
Internal UUID01a0ae87-7af7-7794-bcfe-89cfb39ff6e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056785
StatusPUBLIC

Content hashes

Canonical text5d07f333773103a6ae063d7a960c28edf335278eabf8b6252b653bcb3667b16a
Markdownfb083760bc15f6fa64c05835905376638d4142d1e29e8d3619094677d2ba93ea
PDF
Publication page969fbf25a69497d9938324827cc7cad067da04a117511dd5bc07ab1077d8737a
Manifest6be8969865114722be341af3627576910636a5bba6de4ad4d3af63eb67fa68e3

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
SignatureoOoIVLQ+JDwGeUnfvf1vY+1NUJfU7SwmrkA9uLbsu8ztFJHfhNvE0SosP0Md6e1gjehSJvgakO47DOgOugxsAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:15.841490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056785
observed 969fbf25a69497d9938324827cc7cad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.815303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056785/manifest.json
observed 6be8969865114722be341af362757691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.797377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056785/publication.md
observed fb083760bc15f6fa64c0583590537663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.770774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056785/publication.txt
observed 5d07f333773103a6ae063d7a960c28ed...
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.