OpenTechnical

OT-2026-000102167

Publication integrity record

Foam pad 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-2026-000102167) never changes.

Identity and time

Publication numberOT-2026-000102167 · never reused
Internal UUID01a0aea4-50f3-74ee-a3dd-77df940556c0 · 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-2026-000102167
StatusPUBLIC

Content hashes

Canonical texta5c27302621f42225faf14c10980e79d76367e26d0b97fbd3337d140223a9ffe
Markdownf1f1975cfb4fd524d72bd5bd19a5778617a1d4a93f386bc9e411101750be04f9
PDF
Publication page4e2b7691391852bf118ce0377912c5509f05b6f828db58e816ac1b54df6ca480
Manifestd4885be174bcb5fcd17be7c32be635dd9d5dc1a1744ca464ba115005f620bf2f

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
SignatureVqrV6bEpLf2pyeEfzHWJwTfzttLWW2KovlbTRExv/ojSPG/HYpCBd1Jx+nYgAXM8r2sbN394IvJGtrcQPjQXAQ==
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

2026-09-17T09:25:20.261392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102167
observed 4e2b7691391852bf118ce0377912c550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.243486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102167/manifest.json
observed d4885be174bcb5fcd17be7c32be635dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.223756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102167/publication.md
observed f1f1975cfb4fd524d72bd5bd19a57786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.206623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102167/publication.txt
observed a5c27302621f42225faf14c10980e79d...
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.