OpenTechnical

OT-2026-000059336

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, sustained 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-2026-000059336) never changes.

Identity and time

Publication numberOT-2026-000059336 · never reused
Internal UUID01a0ae89-8614-7eaa-b332-b442485666f1 · 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-2026-000059336
StatusPUBLIC

Content hashes

Canonical text34b4c4bfc364781bc590d4291ad5b75f4ed39bbcec886e3fbadbc96f2172bb76
Markdownc770c924c72759cab7cfd29ceda0f7cd5a29b475b472ff9e31dbb94def282121
PDF
Publication page793103280a06cab5afbb0f0cce07aee983faa0fd7086712d7266dcb947bd34c8
Manifest0dae14dac351b93bc4e040641578c1189b5183df144162fcf24e0cf0956b1c67

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
SignaturehNPBEhtPK3kaazmawmMYe11UWQwhvTNdcy0AVf7oOsJhhbkWFwvrPF7TBqhUXtO2rz/OJ5MlnlXfhxQCjBp/Cw==
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

2026-09-17T10:45:59.583111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059336
observed 793103280a06cab5afbb0f0cce07aee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:59.567724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059336/manifest.json
observed 0dae14dac351b93bc4e040641578c118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:59.552097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059336/publication.md
observed c770c924c72759cab7cfd29ceda0f7cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:59.534984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059336/publication.txt
observed 34b4c4bfc364781bc590d4291ad5b75f...
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.