OpenTechnical

OT-2026-000029954

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000029954) never changes.

Identity and time

Publication numberOT-2026-000029954 · never reused
Internal UUID01a0ae73-ac48-7bdd-8c72-acf965bfefb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029954
StatusPUBLIC

Content hashes

Canonical text4339239bd46861261793ea2ac3faeeff64836902c5804c6948c08f0a24f35c6b
Markdown90841516dd8d9663546e893262ee28907e65b9e80134e09fdea9def0b6882e32
PDF
Publication paged6c88ab5c9ad435b4fa73051ff3db570fd8e6d424ab54510f3fa1b8484e1c32b
Manifest59d28469df74148eca78d975a2643f34ea301fce797912fd2f1e6f42e441be3e

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
SignatureyOCZR6pP8JB4vXPPqbEmrFRREqu0xHWjPwOV0hee5LkAZpYRWWKzD4JOuAlNkK9XWkVNn1f4xnfwrrFOZD8wDA==
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

2026-09-17T11:38:40.113342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029954
observed d6c88ab5c9ad435b4fa73051ff3db570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.095762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029954/manifest.json
observed 59d28469df74148eca78d975a2643f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.078318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029954/publication.md
observed 90841516dd8d9663546e893262ee2890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.061870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029954/publication.txt
observed 4339239bd46861261793ea2ac3faeeff...
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.