OpenTechnical

OT-2026-000038215

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038215) never changes.

Identity and time

Publication numberOT-2026-000038215 · never reused
Internal UUID01a0ae78-2d51-7148-915d-bfaf41f73eb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038215
StatusPUBLIC

Content hashes

Canonical textf6fbff172cd297f8fe408fb659bf7d7f960b9d810825fd0ab112153aec995d27
Markdownd9d15447c51c5f889f25172949a443e39d10fdfe5d1f9db200a88f4d3534f083
PDF
Publication page14ad81608586d5213a0dc683612e1e8b69fa09d16dccb8f0e37f47567b8d9da2
Manifest8e1d52346a5533e50d0b3d35020fbb0a942290ce9bc36a71727f02ea980c6fa1

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
SignatureLySPgEvahFMNFvxDuqQuuOPjAvko+u7o1+3TbOUez58nusltDJF3mNvePJqRPd7tW82Kg/MyjBqcFxzY3FKlAg==
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

2026-09-17T11:22:21.322900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038215
observed 14ad81608586d5213a0dc683612e1e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:21.302193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038215/manifest.json
observed 8e1d52346a5533e50d0b3d35020fbb0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:21.283011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038215/publication.md
observed d9d15447c51c5f889f25172949a443e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:21.260898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038215/publication.txt
observed f6fbff172cd297f8fe408fb659bf7d7f...
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.