OpenTechnical

OT-2026-000102260

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000102260) never changes.

Identity and time

Publication numberOT-2026-000102260 · never reused
Internal UUID01a0aea4-50f3-7101-be39-5549f949da85 · 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-2026-000102260
StatusPUBLIC

Content hashes

Canonical textc1cee25b6d45bf3ad4434b8da1d403ccc12af0e7bf844f528498416ef6cfdb9d
Markdown348a4a7ae3c57f7c59c279ab1c9c40cbcc77f312ecc19b66e259a994086a78f6
PDF
Publication page46caf7a097cd717c7b04aa05cbfe01f3a1e01d1cd5917c71bf6a8769e0beaea9
Manifest038a42d4c14fb9c89bcd8bf030828b7715253ae164e14a86a4ea32f396add06e

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
SignatureUzA4r66ryFFtbPZImdTAQgBvKRAeRrt15mrJDe1pUfzgGQO/xGuGlSbjPsrSUxcew/YVaLF5SYg1msdWDxjkDQ==
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

2026-09-17T09:25:26.695112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102260
observed 46caf7a097cd717c7b04aa05cbfe01f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.678114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102260/manifest.json
observed 038a42d4c14fb9c89bcd8bf030828b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.659141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102260/publication.md
observed 348a4a7ae3c57f7c59c279ab1c9c40cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.640549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102260/publication.txt
observed c1cee25b6d45bf3ad4434b8da1d403cc...
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.