OpenTechnical

OT-2026-000024181

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000024181) never changes.

Identity and time

Publication numberOT-2026-000024181 · never reused
Internal UUID01a0ae70-e8c7-7945-843d-8defad7c4948 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024181
StatusPUBLIC

Content hashes

Canonical text71f4a601e3e5ee3ea113874b094e99e31f760c91c88fe1c367edc948b684f43c
Markdown2f578ba9c386ecd87591ea9d978b066eee80652b0e04ad6afd7585c2c852b578
PDF
Publication pageb0da52cd7d997fb424ec38507f0d5f713f14c349bffd812d722aa3d3473b0e4e
Manifest6d687631d73e4f157bbd1649f59c88cea4ac155bf2c67cf6b5009bb310db2768

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
Signaturemg+DUi80qq1ytjd2glA2lpHiBcgPPgRwTewpok2rP37q5y2l3pLxJDoYOZW8ey6G/ZYcwWg3Zyun1LFkFNYfAQ==
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

2026-09-17T11:48:38.186804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024181
observed b0da52cd7d997fb424ec38507f0d5f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:38.169951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024181/manifest.json
observed 6d687631d73e4f157bbd1649f59c88ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:38.152382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024181/publication.md
observed 2f578ba9c386ecd87591ea9d978b066e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:38.135153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024181/publication.txt
observed 71f4a601e3e5ee3ea113874b094e99e3...
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.