OpenTechnical

OT-2026-000032775

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000032775) never changes.

Identity and time

Publication numberOT-2026-000032775 · never reused
Internal UUID01a0ae75-1071-7eaf-bba5-cce7457c29d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032775
StatusPUBLIC

Content hashes

Canonical textbaca59f435a60ec2f0f4664832268b1beee5aadb578010e1a40ca4a1b20c0fd6
Markdown8db84804096e5ccf06d6eb8114a0c4bf32eda3377b0edff2bd528b04455c5fef
PDF
Publication pagecf59b51a008d7fd44022cb36b8acc3b81480590164f5ebf6503801d3c8abb14a
Manifeste8fc260c64bbe0e6b6a904cc977993e9aecfa2bc91b18e3d56cc3e0157b29220

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
SignatureIE1zL3A/x1faLAv/50LO7Ba26jmAVAOw6jRp5bOB5lOOnUoY000VZr9xt9haTcQeleo/j09s7W9kyZPE19WBDw==
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

2026-09-17T11:34:24.574635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032775
observed cf59b51a008d7fd44022cb36b8acc3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.559075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032775/manifest.json
observed e8fc260c64bbe0e6b6a904cc977993e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.540774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032775/publication.md
observed 8db84804096e5ccf06d6eb8114a0c4bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.523328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032775/publication.txt
observed baca59f435a60ec2f0f4664832268b1b...
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.