OpenTechnical

OT-2026-000089622

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000089622) never changes.

Identity and time

Publication numberOT-2026-000089622 · never reused
Internal UUID01a0ae9c-1a21-78a9-9d97-2f223fcbda1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089622
StatusPUBLIC

Content hashes

Canonical text0d714177478287d278e9be633a050d8e66976dc0fd665da29936bc8ad66e1903
Markdown2894e869e27f00f2bcf244eba1c93d548e0c5bfe0e11da39cffa3fd4d5cab3c2
PDF
Publication page8ba116aa01579ff3e2e04814202c6789bf019f42208bda35909e7087acbf4685
Manifestd81b31a727766f630e3199e8768f261b0fe72e6b39f647fb6178d2427f192c9e

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
Signatureq7mffEV+VIL9TRB4DMzNF8NafbK7eLiKsqFlz7xFV6eI3T1GnJUpcin3lzOdtyP+/RZV++S0WyaJMJgML1tKCg==
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

2026-09-17T09:46:36.429030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089622
observed 8ba116aa01579ff3e2e04814202c6789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.410659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089622/manifest.json
observed d81b31a727766f630e3199e8768f261b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.392187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089622/publication.md
observed 2894e869e27f00f2bcf244eba1c93d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.374064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089622/publication.txt
observed 0d714177478287d278e9be633a050d8e...
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.