OpenTechnical

OT-2026-000071097

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000071097) never changes.

Identity and time

Publication numberOT-2026-000071097 · never reused
Internal UUID01a0ae91-8c2f-766b-a369-b7d9172367ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071097
StatusPUBLIC

Content hashes

Canonical text13bbed22774f491c41a1a1d41c5c8987aed9c265d827b36f50553da8365c0a0d
Markdown6ff3a71138c52ba03cb3bba7c3851a355c6ae8202e1bbdad332a81e3c4cea826
PDF
Publication paged4f83282a3c6e4542797ff8a069de6150b1f6c3aa7134a2aedf5927b1fb07502
Manifest3505b92183306f284b25accd00c4ae77e583d3ff9d408086652c216aac74af6a

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
SignatureTNJKfGzCD1fZmxMjugOsu7N2QIj+E9YVrgxrY2M3vwYUjmxRbjm/M87YH42wlvIq6FNU+P+Qtgmq1gcMBYc8CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:57.632057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071097
observed d4f83282a3c6e4542797ff8a069de615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.614066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071097/manifest.json
observed 3505b92183306f284b25accd00c4ae77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.597485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071097/publication.md
observed 6ff3a71138c52ba03cb3bba7c3851a35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.580447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071097/publication.txt
observed 13bbed22774f491c41a1a1d41c5c8987...
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.