OpenTechnical

OT-2026-000003747

Publication integrity record

Bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector

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-2026-000003747) never changes.

Identity and time

Publication numberOT-2026-000003747 · never reused
Internal UUID01a0a90a-f125-77c6-be92-8fd458f95972 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:41.735873Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003747
StatusPUBLIC

Content hashes

Canonical text1e24225a8227fb3db69265f09a6c15f9b9835ff3f9b74b1c0f04c0e37dd2e8b0
Markdown5a6b59f8a51d5c25e8e7d033a3c4bab9c58e12c891f6ca722507a0abd562389e
PDF
Publication page108fc9d1f39bbcd331711166c374b52e5b01d76ef353028c5210b17d6ae7e997
Manifest7740b87d63cb81f8967c049000a31572d0438cc7320692a4836f7c5514b7e7bd

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
SignatureZdULPT8rNX8hjK+q6teukvYVKDrQvGXehCxnNN3ZHF9P8/rJZwA7I3aEtQLZu8Z6I2A0y7d7+O+5+6UsmksSAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:23.001641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003747
observed 108fc9d1f39bbcd331711166c374b52e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:22.984552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003747/manifest.json
observed 7740b87d63cb81f8967c049000a31572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:22.967782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003747/publication.md
observed 5a6b59f8a51d5c25e8e7d033a3c4bab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:22.952285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003747/publication.txt
observed 1e24225a8227fb3db69265f09a6c15f9...
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.