OpenTechnical

OT-2026-000027746

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000027746) never changes.

Identity and time

Publication numberOT-2026-000027746 · never reused
Internal UUID01a0ae72-699a-7c0c-bedc-11d384cade19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027746
StatusPUBLIC

Content hashes

Canonical textf181266f7836ffa54dcc09aff0edd21bb80f702e87f92371eda705cc0a7fc58a
Markdownb23767c4fb156d57492b3e4844b30474fd11921518bb8198c416a2c016d17909
PDF
Publication pagec6505b372f6a8636e335b2db05ae9d733bcbc88faaa7ad7cf9549a1b0e321fa2
Manifest7e8ec4a72e7e897efff1962a2cdabd8f0fa74becc8672e49a338c12e5543aa2c

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
SignatureVfR9THsLeM6qxJVPqw1Ciy3KOe9GzOdQu60iAVKI4nSQfp9Z++knTHJYVlYOOqeDJYNwyeYLex+jAJsx8y4nCA==
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

2026-09-17T11:43:14.143880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027746
observed c6505b372f6a8636e335b2db05ae9d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.125620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027746/manifest.json
observed 7e8ec4a72e7e897efff1962a2cdabd8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.106724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027746/publication.md
observed b23767c4fb156d57492b3e4844b30474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.088240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027746/publication.txt
observed f181266f7836ffa54dcc09aff0edd21b...
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.