OpenTechnical

OT-2026-000011171

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented after set-down

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-2026-000011171) never changes.

Identity and time

Publication numberOT-2026-000011171 · never reused
Internal UUID01a0ae6c-540f-7429-8570-c27843b793df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011171
StatusPUBLIC

Content hashes

Canonical text2bba500e9d6a12c3735dda941f62120559edd35f5248ee0746eb8b5f3be34ea6
Markdown6843056541cc8740e1a4187e39d43df12af89c2e750eb9f95cda380c6b0dbb25
PDF
Publication pagef6252c8e7ceb0a0956107503e9022b05996c3ebf1cc4245c7bea0c438af7a5b6
Manifestdffaf33ebe66318fa6d3a67f4a302c89f379884e32d69d1fa5449f595dc07881

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
SignatureT6SqdzN0MrjQCC2ft1PcieHCX3/zcTWM3SH1sUaLQ+4qOrajqKNO9lvdTuJjCcP6HFVYCKn9Ig20GRqXXQygBg==
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

2026-09-17T12:14:06.503623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011171
observed f6252c8e7ceb0a0956107503e9022b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:06.484665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011171/manifest.json
observed dffaf33ebe66318fa6d3a67f4a302c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:06.466522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011171/publication.md
observed 6843056541cc8740e1a4187e39d43df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:06.446142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011171/publication.txt
observed 2bba500e9d6a12c3735dda941f621205...
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.