OpenTechnical

OT-2026-000067252

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000067252) never changes.

Identity and time

Publication numberOT-2026-000067252 · never reused
Internal UUID01a0ae8f-6bd6-73b9-95b1-ce2885ef7b05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067252
StatusPUBLIC

Content hashes

Canonical text07bcd99ef06196b119a7029327d01478f428b8564d4268a656dd285b68f6d3fc
Markdownfc17631f2b5efa7097d39221930b7ff800f57e0551b19d6e1baf04f30e7fc21c
PDF
Publication pagef86bf9119018e09cd509cb40182ca13bd7d4a700f2b281196a359a68c22734b9
Manifestc7c89077c0b71c06b71a45c7ec8fa9a25284f97ea947c085ba600b8aad6deb0e

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
SignaturefiAWXsTg4iTEO6ZJuTBe9iHWMo5D7+WHIyPBYAbBMB/yKINQ0uv7QvvZ2unHtqDAwsO8aIXQtpYog2HkOigdBg==
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

2026-09-17T10:30:55.632580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067252
observed f86bf9119018e09cd509cb40182ca13b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.614622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067252/manifest.json
observed c7c89077c0b71c06b71a45c7ec8fa9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.597167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067252/publication.md
observed fc17631f2b5efa7097d39221930b7ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.579135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067252/publication.txt
observed 07bcd99ef06196b119a7029327d01478...
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.