OpenTechnical

OT-2026-000030423

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000030423) never changes.

Identity and time

Publication numberOT-2026-000030423 · never reused
Internal UUID01a0ae73-e503-7c3d-a138-f73ec7bca0c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030423
StatusPUBLIC

Content hashes

Canonical text140360577d80446ea6a0b44d5ce390004dd7bcbbad1eaeeef93bc8e58c91aee1
Markdownb5a36b26b65eb06dbbe9926ec821bd3a3c43f646a685b22ee8d580e2c3dfeaa2
PDF
Publication page2f22285fcc0ffa611699949ce9172e27749be6d5595c88c38af9b879bc6876bb
Manifest3ca39f80f9817dac04d15284944dcd32c40bbaaab79704ec9109983153f366b3

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
Signature/IAuOiRt8EiFOR4s9TvGvYJJ+6B4gIc4+OER3fxyltUv2XpkzVsGv9QR/9SdhW8R9MNTIwDBMQvHZXbFKVIlCg==
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

2026-09-17T11:38:09.524220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030423
observed 2f22285fcc0ffa611699949ce9172e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.508151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030423/manifest.json
observed 3ca39f80f9817dac04d15284944dcd32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.489925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030423/publication.md
observed b5a36b26b65eb06dbbe9926ec821bd3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.471644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030423/publication.txt
observed 140360577d80446ea6a0b44d5ce39000...
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.