OpenTechnical

OT-2026-000023356

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line 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-2026-000023356) never changes.

Identity and time

Publication numberOT-2026-000023356 · never reused
Internal UUID01a0ae70-7268-7cf3-8787-833ab9cca3d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023356
StatusPUBLIC

Content hashes

Canonical texta286105829fdf5aecdcc923550efa34473d25ba2d60cc0272d06f3aac57b3c59
Markdown582ce6296465d28a54661df3c5292be1310146121a21931febf5ab410ad82b85
PDF
Publication page3ac568f0abb4ce15293e098e27cc31bf8a03e934bbb13ac1c0537cb2e1a47a0e
Manifest0e049a9c8aae310d8de029acd8fca330dddda6c98240876eaed69ede933d4a38

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
Signaturei5Sa655voSzcdCHDEMrdN+D8Io/iWK6+dAcbQvDR+/uTzmXvCb3I8vMtzOpaPcKIVLJJjaWMpFZQ5L/Z4LBOBw==
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

2026-09-17T11:51:27.102458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023356
observed 3ac568f0abb4ce15293e098e27cc31bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:27.082494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023356/manifest.json
observed 0e049a9c8aae310d8de029acd8fca330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:27.065823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023356/publication.md
observed 582ce6296465d28a54661df3c5292be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:27.047931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023356/publication.txt
observed a286105829fdf5aecdcc923550efa344...
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.