OpenTechnical

OT-2026-000047930

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000047930) never changes.

Identity and time

Publication numberOT-2026-000047930 · never reused
Internal UUID01a0ae7f-c422-7998-8278-5253dedd42ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047930
StatusPUBLIC

Content hashes

Canonical text49fa5ea7769ab4b45883d42cdd6c96949fca812a9b2aa4231a35b37b636ebda5
Markdownc8acc3c36b4a8a4bab49bc4d6da39c2d2acffe0783376c46def5b1d81991170f
PDF
Publication page14779dacf42d6765d1fa5893e9da716dfd74a9a79b49675fd74ed6b1d407cb99
Manifest948fd57218f19929c59d7b2b8fda402042eb11abec0766dbe9ab357d6bba5b81

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
SignatureOP7/7bmuODUfKwokG9EBX6a+LGXWNU7qdg+h32uBXCUY4+R5UzK7bqkGSPa0IPn4PHgMMmkLwKiPx/o0+TsjDw==
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

2026-09-17T11:05:53.461855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047930
observed 14779dacf42d6765d1fa5893e9da716d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.436641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047930/manifest.json
observed 948fd57218f19929c59d7b2b8fda4020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.334409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047930/publication.md
observed c8acc3c36b4a8a4bab49bc4d6da39c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.315725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047930/publication.txt
observed 49fa5ea7769ab4b45883d42cdd6c9694...
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.