OpenTechnical

OT-2026-000006212

Publication integrity record

Porous face vacuum gripper, per zone isolation, pump fed, sustained 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-2026-000006212) never changes.

Identity and time

Publication numberOT-2026-000006212 · never reused
Internal UUID01a0a953-1f4d-7d88-b4a9-b42f8e3c9db2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:26:32.144077Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006212
StatusPUBLIC

Content hashes

Canonical text7646132cf5eb12679cfebf9e624cee87873ee5ac4d7f87cec2c6d83cbb5e4bd1
Markdown039d91c001c9ed48f5cfa3886583f58a4dc0ec220f85fb33ed96c292297ac438
PDF
Publication page941c3ebec252c858951ce1d029e17e8bed2f4e6c54a7534a6eafc6f96a2eff5d
Manifest3b692e352a72fb174d0eccd7e7241aae9ff347b7868dda509fd42191c1df27f8

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
SignatureJ6jvzn9lOplWiKypUeeH/r1DnfRaSuYBDYlVTMEABXyeHXmJ948yKAhM4t08v8psbdf8e18lXaQdtuEf5ysLDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:14.478651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006212
observed 941c3ebec252c858951ce1d029e17e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:14.465405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006212/manifest.json
observed 3b692e352a72fb174d0eccd7e7241aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:14.439496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006212/publication.md
observed 039d91c001c9ed48f5cfa3886583f58a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:14.425200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006212/publication.txt
observed 7646132cf5eb12679cfebf9e624cee87...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent