OpenTechnical

OT-2026-000032206

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000032206) never changes.

Identity and time

Publication numberOT-2026-000032206 · never reused
Internal UUID01a0ae74-f7a7-79bb-9773-edebfe08c640 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032206
StatusPUBLIC

Content hashes

Canonical textc49b6b06a3691ecb7d34e5c14a1252132a6983e9cfe3c2c6682896197d0546b1
Markdownbccb8d9c554ae3d85a0279a128e9a508526dc4124100983ee285357955e984cd
PDF
Publication page4f23ae23b0c6932aca175f82f7fb594f3947fe0529b4f27d58b99c873814227b
Manifest131d92eae8b0a64494a12d81250b3963ddb463f7d81690645bca4dd0a9e26877

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
SignatureypVRrqaVlJXMiBVJu6sPAJlzM0IxNPY53xKuu9ftNvp8ogo8voy37GGLkzbv6AeLbRMBQlU/i8qJMzsChwAeCw==
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

2026-09-17T11:34:33.161877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032206
observed 4f23ae23b0c6932aca175f82f7fb594f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.145195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032206/manifest.json
observed 131d92eae8b0a64494a12d81250b3963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.128366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032206/publication.md
observed bccb8d9c554ae3d85a0279a128e9a508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.108921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032206/publication.txt
observed c49b6b06a3691ecb7d34e5c14a125213...
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.