OpenTechnical

OT-2026-000071402

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000071402) never changes.

Identity and time

Publication numberOT-2026-000071402 · never reused
Internal UUID01a0ae91-e0ed-7124-83b8-cd414f0f8921 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071402
StatusPUBLIC

Content hashes

Canonical text91307201c9709c7d56f68249841d261789cdb311e14aa13f830c39e7abec16f3
Markdown036ab1aa3d8779e7113e84ac6b94b1edf93b18b02a39a6bc9954ee1a43478080
PDF
Publication page5eb74d4524fd65775f8aac5fe0dfa2d4195f483f1421b07ba2987f2960bfa482
Manifestacb0622080264fa0c398ffcf6d7bfc6e382ee1658dece768f43ca813d33fd358

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
Signatureto0btBMJnG8QcSW4xo71WMfs68+0GGme0JdXQLTbCwDCV4OZvcbgJx1tz/VMso/vymkaKJhCoIqmvOhNMy8TDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:01.710509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071402
observed 5eb74d4524fd65775f8aac5fe0dfa2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.693610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071402/manifest.json
observed acb0622080264fa0c398ffcf6d7bfc6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.677087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071402/publication.md
observed 036ab1aa3d8779e7113e84ac6b94b1ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.660884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071402/publication.txt
observed 91307201c9709c7d56f68249841d2617...
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.