OpenTechnical

OT-2026-000053970

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000053970) never changes.

Identity and time

Publication numberOT-2026-000053970 · never reused
Internal UUID01a0ae85-b3a7-79a4-b16d-79ef2cc4f9b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053970
StatusPUBLIC

Content hashes

Canonical text1d0c29cf505c0be4aad03fa05c231ba3d5ae25ca43b305381e4e30fe616247e3
Markdownc83f083fe9e0b1ba395ce5c6d8f21ebcc76c37ab5067af8ee82d3ed5c1cfd271
PDF
Publication page02d868d3c9020c6d317374ee3baab3f8cf95f873311f3fd2fe6e61fda28d4e8e
Manifestafd46d81bfbdee81fc4f687f53898a3e11c0e131509d22bbe8045e162cfcfd35

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
Signatureb1j7feNYpbzVGWTt68qDSDYsuBhdm2nj7tqKgED4EsuymLpp64AbNrI3SKGak7FODWYtKQRY2RxZI2Ied/HjDQ==
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

2026-09-17T10:54:14.992317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053970
observed 02d868d3c9020c6d317374ee3baab3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:14.967354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053970/manifest.json
observed afd46d81bfbdee81fc4f687f53898a3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:14.942345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053970/publication.md
observed c83f083fe9e0b1ba395ce5c6d8f21ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:14.917608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053970/publication.txt
observed 1d0c29cf505c0be4aad03fa05c231ba3...
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.