OpenTechnical

OT-2026-000040074

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000040074) never changes.

Identity and time

Publication numberOT-2026-000040074 · never reused
Internal UUID01a0ae79-26fd-78c2-aae8-4c6dd220a81b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040074
StatusPUBLIC

Content hashes

Canonical text8ad2cfa3d5446e7ffa4d4281a07bca956d2028193404824b10537c04c9d26804
Markdownbe08dd1943b4f824f727bd6f30914ea3e3d066625a72f1ca3418289f97755b27
PDF
Publication pagec7a48ca6576b1c28fa3ae4218e3a5be2c8b4a93c0db22c16bc60a461fe30d1b4
Manifesta9604021f5014639a1573c65d9b65811c8a5f5c08f231498be448af2bd0d9141

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
Signature0zQWdBNOWb2War7fE033EfNCkICMifGGdOKj78wUMaYx9zZpaNvvqgxKqZmyPArNzqIYd82Vzje8beopR8QfDg==
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

2026-09-17T11:18:55.146584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040074
observed c7a48ca6576b1c28fa3ae4218e3a5be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:55.129260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040074/manifest.json
observed a9604021f5014639a1573c65d9b65811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:55.112084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040074/publication.md
observed be08dd1943b4f824f727bd6f30914ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:55.094514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040074/publication.txt
observed 8ad2cfa3d5446e7ffa4d4281a07bca95...
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.