OpenTechnical

OT-2026-000041222

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three 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-2026-000041222) never changes.

Identity and time

Publication numberOT-2026-000041222 · never reused
Internal UUID01a0ae79-b143-7887-87dc-5e343dbf52c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041222
StatusPUBLIC

Content hashes

Canonical text421be1801733295580f13741e4037253c448fb608f89879f9048351464169ba0
Markdown6fe8406a212b5d19a42383e083ab2b8239ead2b11ff1fa87f25bde085b8d3f4a
PDF
Publication page8749338deb125e2f973a408797d1bf17b7a4c9602a136c710fe922b9d4e6b2e3
Manifestce43640f877d6cbec1730bf7e2673d0d905d391c81467e30b6437aabd11c8bec

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
Signaturet4GoMp+sz11ruy7nk7R3X4aT+bLdWeifIugP9CBWw8qERoKG/lRI0tjJzFIbo9PVN1BozdJ3qAyzjLkByVYCBA==
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

2026-09-17T11:17:11.087063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041222
observed 8749338deb125e2f973a408797d1bf17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.068316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041222/manifest.json
observed ce43640f877d6cbec1730bf7e2673d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.051313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041222/publication.md
observed 6fe8406a212b5d19a42383e083ab2b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.032261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041222/publication.txt
observed 421be1801733295580f13741e4037253...
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.