OpenTechnical

OT-2026-000069524

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069524) never changes.

Identity and time

Publication numberOT-2026-000069524 · never reused
Internal UUID01a0ae90-b52b-76b9-a610-62b34f438aa3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069524
StatusPUBLIC

Content hashes

Canonical texta8b05ed6f1cc3660320d5783495ddd4919455486b8c6d77317223dcbab76be77
Markdownd43b94229a7072633d14ced58fe60beb42531db65cb07bdc5ca0b03605450670
PDF
Publication page9136d389e73d1940360427528d63eebeb35d714799af74ff27dda7da0fe4fba0
Manifest4f3ffac5bd01ead6c2a3f5684e85754a3aacdbb83d30ecfb8d47441ca788181d

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
SignatureQxHAYtOuAzK8sTjEf6KAm4gYPfggTPwBlv4c8XR6VZx/3lS0HXsQZXG17HDxNsuxct8hI6Yv4FL+cn2NbfUSCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:37.109887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069524
observed 9136d389e73d1940360427528d63eebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.090774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069524/manifest.json
observed 4f3ffac5bd01ead6c2a3f5684e85754a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.066317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069524/publication.md
observed d43b94229a7072633d14ced58fe60beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.041627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069524/publication.txt
observed a8b05ed6f1cc3660320d5783495ddd49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.189829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069524
observed 9136d389e73d1940360427528d63eebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.172481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069524/manifest.json
observed 4f3ffac5bd01ead6c2a3f5684e85754a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.155312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069524/publication.md
observed d43b94229a7072633d14ced58fe60beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.136498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069524/publication.txt
observed a8b05ed6f1cc3660320d5783495ddd49...
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.