OpenTechnical

OT-2026-000057950

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000057950) never changes.

Identity and time

Publication numberOT-2026-000057950 · never reused
Internal UUID01a0ae88-6ed9-706b-ba27-71148d95209c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057950
StatusPUBLIC

Content hashes

Canonical textc932f287091cf609e6148154e88f241f9045d68a6610515d5cda600841f7f0ba
Markdown4152ff17d64c63f71c7378f828fab977571ef4466dd9e2ffa854cae7e0e31bd3
PDF
Publication page5ace370cea230265a1672c2ba487e16ce225a884a2dd6c510b954a36b6dc1885
Manifestb6099b55140c44598a8c1c8d7b5665a13d1f30a7b6017275fb1e296b5b15907d

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
SignaturevnNQH2YXawOp8d6m4UIckZqZWxH/dg+8jOdGIfXsTRJgrIUffWDBJuMhYFDgpOGmyFYz05FEn495/2XtcfsNCw==
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...

Independent retrieval

2026-09-17T10:47:34.000154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057950
observed 5ace370cea230265a1672c2ba487e16c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.983331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057950/manifest.json
observed b6099b55140c44598a8c1c8d7b5665a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.963811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057950/publication.md
observed 4152ff17d64c63f71c7378f828fab977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.946093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057950/publication.txt
observed c932f287091cf609e6148154e88f241f...
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.