OpenTechnical

OT-2026-000059332

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000059332) never changes.

Identity and time

Publication numberOT-2026-000059332 · never reused
Internal UUID01a0ae89-8614-73d6-836f-cee21983e428 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059332
StatusPUBLIC

Content hashes

Canonical text6e6b133fb5a3f8b9893321859ccd34df0c5b57f0370615089e58a18fa4e486a3
Markdown5c2412761c7c741a115534fbb0def0d2bf32035a544d930d1a5848f93c98850e
PDF
Publication page92c1421ab2eb35c246fcade7d275e7b8f7f2db6355d2de769c17fc78c447dc62
Manifestb4a3fa4df1ab64aae39ea0789824c1ad0cda22974fa8f6e1ee2c51911bd19eba

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
SignaturecLd34ch1/wQw+DPsYWFWgMoGenhzHnBvI936Y6zdY2kufhXdOp28uu/f/zV9+j30s+NYqsLhItV6bO8R5gvuDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:59.305874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059332
observed 92c1421ab2eb35c246fcade7d275e7b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:59.290270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059332/manifest.json
observed b4a3fa4df1ab64aae39ea0789824c1ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:59.270549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059332/publication.md
observed 5c2412761c7c741a115534fbb0def0d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:59.253213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059332/publication.txt
observed 6e6b133fb5a3f8b9893321859ccd34df...
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.