OpenTechnical

OT-2026-000049200

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000049200) never changes.

Identity and time

Publication numberOT-2026-000049200 · never reused
Internal UUID01a0ae81-134f-7822-b943-1228928e871d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049200
StatusPUBLIC

Content hashes

Canonical text95dff267797653d7159dbc05689246cbb278ded9009ff943a95125433bfc3d93
Markdownae43e7bd91158f6ffaca028c0d3da2380583b49b1b004aaf3c8185d714823d2b
PDF
Publication pagee19cfb8fa78ff3c5d111b93297eb661caf7f9348fac00e532b707773f6dc5e2c
Manifest466959c5e24aa51ff737cc6b1d1af2f913f8fbf08b0b5c27e381854e6c0511c6

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
Signature8AzJ4zgiNnQjZ7tWX+moKC81JNsBcZYiMemuenEXASCih2HoanAVW49Zg2h3OzKbSAxzf//P7CoJmx11MGXcBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:00.746023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049200
observed e19cfb8fa78ff3c5d111b93297eb661c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.725144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049200/manifest.json
observed 466959c5e24aa51ff737cc6b1d1af2f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.705897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049200/publication.md
observed ae43e7bd91158f6ffaca028c0d3da238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.688133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049200/publication.txt
observed 95dff267797653d7159dbc05689246cb...
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.