OpenTechnical

OT-2026-000058031

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, 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-2026-000058031) never changes.

Identity and time

Publication numberOT-2026-000058031 · never reused
Internal UUID01a0ae88-6eda-7cfb-860b-b0abb6c2e03f · 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-2026-000058031
StatusPUBLIC

Content hashes

Canonical text65b43009ae66246583e8c83fe5a3b6b3302f409419d602585f699d67b07cee39
Markdown1a80aa252df6056f4d1d6eb77c4b4cbd0dc5ed108a01205b52e326710c649528
PDF
Publication page267b2eb8f19be7d1af9d085033788c1567e016ff3eaadfb9ef0c63136cecac71
Manifest3de355ee425ce9b30a83dbded6d1958135e1ad816bc5aa3b4e2adf965b4b1c4c

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
SignaturePZsnu+1kd6Ga6WUpWVGYZTMiEcYQVrLkKVCbP7egaH9usKzVqKDO00y1GHfw+e3dgYmCWxzfChHAJphIP4kTDA==
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

2026-09-17T10:47:40.533652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058031
observed 267b2eb8f19be7d1af9d085033788c15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.514357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058031/manifest.json
observed 3de355ee425ce9b30a83dbded6d19581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.494698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058031/publication.md
observed 1a80aa252df6056f4d1d6eb77c4b4cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.474821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058031/publication.txt
observed 65b43009ae66246583e8c83fe5a3b6b3...
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.