OpenTechnical

OT-2026-000102173

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000102173) never changes.

Identity and time

Publication numberOT-2026-000102173 · never reused
Internal UUID01a0aea4-50f3-73b7-a8fe-413ca64d538e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102173
StatusPUBLIC

Content hashes

Canonical textc195231dd59d099f7df6108a65d2b568e1e90eb01c11ea5a5002137c962e7ed1
Markdowncdcd5c892c0f948cf81fa725f770746c89ff83784940b022246007f96ed0884f
PDF
Publication page41719276ccf85f338c45f8d806b92f6f8e80c5532c6d89ed8a592825b074a00a
Manifestb56b4057682b8f11fc88e3dfb1ad0ae0d762b577a9337504f60f6ac9243c51c7

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
Signaturec0E05WQvhA2oQFa77jIPIHqlQh8ifNhXFJ6kalgECM4fyyko5qEhxsZV3EFP6rIWjvtLduvmrj4T+s8c8+WGCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:20.635991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102173
observed 41719276ccf85f338c45f8d806b92f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.617405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102173/manifest.json
observed b56b4057682b8f11fc88e3dfb1ad0ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.598928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102173/publication.md
observed cdcd5c892c0f948cf81fa725f770746c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.580091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102173/publication.txt
observed c195231dd59d099f7df6108a65d2b568...
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.