OpenTechnical

OT-2026-000026849

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000026849) never changes.

Identity and time

Publication numberOT-2026-000026849 · never reused
Internal UUID01a0ae72-3452-7470-b7e9-b7471f284163 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026849
StatusPUBLIC

Content hashes

Canonical textb16e81f3664404719235bb0c1836d546e748fab3ba10d1885ef152ed0a388117
Markdown8845b130bfb20b21116a9f0536794968cea9e2b1685f5562dce9d1294390c1b0
PDF
Publication pageb068b055a56eb97ad181898f7fb5c12de547f84e2f5a390a23c99dc44b4f09a7
Manifest4dc02cc271ed552e33dedc7c5db7146ffade39e770c577a025a0733369e056a8

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
Signatureer54GRlnWAWgWJZyv0DDvJtwgyxaZ/bSWO751xmFZRzbZZpjbiQIN4ItBZBJRbcxTBU4idAmYSrTCSjOamkMAQ==
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

2026-09-17T11:43:26.690487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026849
observed b068b055a56eb97ad181898f7fb5c12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.670858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026849/manifest.json
observed 4dc02cc271ed552e33dedc7c5db7146f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.651606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026849/publication.md
observed 8845b130bfb20b21116a9f0536794968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.632282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026849/publication.txt
observed b16e81f3664404719235bb0c1836d546...
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.