OpenTechnical

OT-2026-000048115

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000048115) never changes.

Identity and time

Publication numberOT-2026-000048115 · never reused
Internal UUID01a0ae7f-c424-74e8-90cc-d544515cf99a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048115
StatusPUBLIC

Content hashes

Canonical text9bcebb5ff0421c22d04d05cfc3cdeb67abad31061a569bdf0bc3327bf3e16474
Markdown868e515f5a978a567dfd772022ca6ba3109bf3fefb974cdc24a38f657b5fb42e
PDF
Publication paged06d71b575052b3c9837c6c4b0408be241e083b8c739fab9a88575e1a3bee05f
Manifest64490ac148ed548d15973c3267a9858402f9a681fee5c4d8df46e4ee5bc80adb

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
Signatures3VpUIvZyxokGUV57B8SEcpqE+WkqiijJVKuzYYcpJqzp+XsuJWfhvvPlpQ3iN3Qa1g+x69HxLHck7yAK/nPDg==
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

2026-09-17T11:06:08.751086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048115
observed d06d71b575052b3c9837c6c4b0408be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.732566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048115/manifest.json
observed 64490ac148ed548d15973c3267a98584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.714246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048115/publication.md
observed 868e515f5a978a567dfd772022ca6ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.694618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048115/publication.txt
observed 9bcebb5ff0421c22d04d05cfc3cdeb67...
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.