OpenTechnical

OT-2026-000045151

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000045151) never changes.

Identity and time

Publication numberOT-2026-000045151 · never reused
Internal UUID01a0ae7c-f769-7552-a707-78962f3a9e4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045151
StatusPUBLIC

Content hashes

Canonical textcf0634c4b9c00723433ce3f38ca89eb0b190013c558017a93323916185bc478b
Markdownb5099ed04b9a669e0af1019931a2b732faa6f6f5852bcf13101e6327ad94788c
PDF
Publication pagefbf12cde57643a3ee179552b63e7f248f2d14057355500e5b96d64cef70c78aa
Manifest00353480643ab6949f23a6a45ffa71c233a411f7e84430a422938f402b99f19d

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
SignatureWr1mxqc0rf5fZDW9LUQmmHwSNf5lCGuPsmZPu4g7OWSP4e3z8JQnTwx1EBCmxdaoschezsFkgmtITX3PkCFUDg==
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

2026-09-17T11:10:18.378638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045151
observed fbf12cde57643a3ee179552b63e7f248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.358350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045151/manifest.json
observed 00353480643ab6949f23a6a45ffa71c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.341092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045151/publication.md
observed b5099ed04b9a669e0af1019931a2b732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.321366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045151/publication.txt
observed cf0634c4b9c00723433ce3f38ca89eb0...
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.