OpenTechnical

OT-2026-000045064

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed 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-2026-000045064) never changes.

Identity and time

Publication numberOT-2026-000045064 · never reused
Internal UUID01a0ae7c-f768-7b69-a65a-f21d5e27bd91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045064
StatusPUBLIC

Content hashes

Canonical textc81318e64f8d47879381d13898d640e4b5761ba8c6146e773502ded48d31d443
Markdowne3f7b59de64e8cbababfc5ccdf4e82801b21ab85687999256a17e2e9f5ef1574
PDF
Publication page655ac721093db311ab2a0693f4bd85e15f7a3e5fc5b1c8f8e931d1f062c1765f
Manifest703f03da039e2adbeaffc9bd9415eb8c6d73d57ab2e4590c8ed76b05f9ae8920

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
SignatureUk3qs5BWgEheo82jBQSRpHdg5m56/av5wxpxs1Q82OCKy4dTR7nY6FHJhC3nEtqXKXirHrgwwuOmCwVt6St/BA==
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

2026-09-17T11:10:05.612912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045064
observed 655ac721093db311ab2a0693f4bd85e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.594417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045064/manifest.json
observed 703f03da039e2adbeaffc9bd9415eb8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.575720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045064/publication.md
observed e3f7b59de64e8cbababfc5ccdf4e8280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.556411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045064/publication.txt
observed c81318e64f8d47879381d13898d640e4...
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.