OpenTechnical

OT-2026-000027985

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000027985) never changes.

Identity and time

Publication numberOT-2026-000027985 · never reused
Internal UUID01a0ae72-a51f-7acb-8bc6-830d8b1f3454 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027985
StatusPUBLIC

Content hashes

Canonical textc12ee32eef7ec1c8ac0bbc6940b4d93fe0cc5c34d23f2b5445e3b86d2a44f2dc
Markdown262902b9dc9e7eed322c712a3f84ad3fd4d511f518ee081e74ef9c3190ce841b
PDF
Publication page7f6721ab9b4f43fe8822441f1c3e26b59959d1b12838a05a05fdc3198794a507
Manifest9a63893b356709898f857d70995cf65f7b55aa4acb3e01a262c9b929b506015a

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
Signature6eJxJCZ2CyV6R8xYYTmXKqvZl/dACW+BEYEKNzrWE7AJy6xhaBpk8ncJiTFED1LLQZqChb12SzxRTH9pjqTRBQ==
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

2026-09-17T11:42:11.414817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027985
observed 7f6721ab9b4f43fe8822441f1c3e26b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.391000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027985/manifest.json
observed 9a63893b356709898f857d70995cf65f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.369923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027985/publication.md
observed 262902b9dc9e7eed322c712a3f84ad3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.351719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027985/publication.txt
observed c12ee32eef7ec1c8ac0bbc6940b4d93f...
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.