OpenTechnical

OT-2026-000038971

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum 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-2026-000038971) never changes.

Identity and time

Publication numberOT-2026-000038971 · never reused
Internal UUID01a0ae78-76a0-7a8c-b0fd-a1dee1b41647 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038971
StatusPUBLIC

Content hashes

Canonical text47047a929391d4d5494cf8aea9dbba2a194f8b65b42df6fc49fd7eab2119e997
Markdownd7e37c15d7a7f6fe2f30aa530d3e9bfbe088c2e550f578742283d7958a2303c8
PDF
Publication paged013ae827af3ef631112552d7d6dc56fdb984558c67aec0799ce2e66e71565b3
Manifestfffa0a04d71438e38f37f24eaaea336368f83ea5af78daace813c255312c2a31

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
SignatureyYN646K8gKai9t0Z9uGKnWYkf1BkH2ZDDi9CHuooYrDHwSyO3HIylcxS55RZbmzY8W88dgTyQ11XckydnrvvAQ==
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

2026-09-17T11:22:15.015015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038971
observed d013ae827af3ef631112552d7d6dc56f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:14.996478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038971/manifest.json
observed fffa0a04d71438e38f37f24eaaea3363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:14.977585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038971/publication.md
observed d7e37c15d7a7f6fe2f30aa530d3e9bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:14.958806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038971/publication.txt
observed 47047a929391d4d5494cf8aea9dbba2a...
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.