OpenTechnical

OT-2026-000044215

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000044215) never changes.

Identity and time

Publication numberOT-2026-000044215 · never reused
Internal UUID01a0ae7b-d67b-764b-a31a-aa381381453c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044215
StatusPUBLIC

Content hashes

Canonical textd891a4fb8299dda915afec94dfc0710660121139ba6a7e28da99299bea4a605e
Markdown391307edbd7d7137073993081b0355e3c9d47dcf8425693587a166435b2d8507
PDF
Publication pagec9076ed0e80c13b684ed73b48f74fe7b207011df470ecbfd2209ed2aeac0c465
Manifest18ba7fbbb0598a57cfa91cfbb1ec02f24d7763091d9f2af3b76e9af160fb3121

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
SignaturerytN/3heKehnRKFPPCHDzZBFoIbY6sdEFKErzunalPdoRiu1jBRaddOFhasMBCuvodedbTY93upE38tZPIJlCQ==
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

2026-09-17T11:12:46.294668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044215
observed c9076ed0e80c13b684ed73b48f74fe7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.273696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044215/manifest.json
observed 18ba7fbbb0598a57cfa91cfbb1ec02f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.253807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044215/publication.md
observed 391307edbd7d7137073993081b0355e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.236295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044215/publication.txt
observed d891a4fb8299dda915afec94dfc07106...
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.