OpenTechnical

OT-2026-000047993

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000047993) never changes.

Identity and time

Publication numberOT-2026-000047993 · never reused
Internal UUID01a0ae7f-c422-704c-a570-f7ecc2704573 · 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-2026-000047993
StatusPUBLIC

Content hashes

Canonical text061df2e390e3f8cb1accc91639446d0f98c5d076d5d6772ad1868c3a56e19292
Markdownca1487861124b39d22540efb4217e840ef085f8d5d46b3c3d426865af43710da
PDF
Publication page59566fcc8cc6adfefd13b3ec60b60a4c3d615e07b56f16f7d6f9cab213a2fa85
Manifest8d85a758079413a7edd05c557cbec09a20411e77731ba29847c5cb0a782ae594

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
Signature4UUOWk+5hIRvDepI5Vgwj56cbr7QpXfjHNHrP8GLk9GsemMf6RM8zpJIqlMFA8m0CrLtMOKP0lteZu7grw/XBw==
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

2026-09-17T11:05:58.672877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047993
observed 59566fcc8cc6adfefd13b3ec60b60a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.656274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047993/manifest.json
observed 8d85a758079413a7edd05c557cbec09a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.640068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047993/publication.md
observed ca1487861124b39d22540efb4217e840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.623486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047993/publication.txt
observed 061df2e390e3f8cb1accc91639446d0f...
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.