OpenTechnical

OT-2026-000041505

Publication integrity record

Single cup vacuum gripper, single stage ejector, sustained blow-off after set-down

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-2026-000041505) never changes.

Identity and time

Publication numberOT-2026-000041505 · never reused
Internal UUID01a0ae79-e89f-7ae4-866a-d4b931700f10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041505
StatusPUBLIC

Content hashes

Canonical text8e27d48e3e0749b8beb8078586ee137a12e2ed90f9cc34c37e122496e57b5c58
Markdown9205d6ee44205e355044a1db2f03fe220160bd12a1ceb2527c5a80dc1b87ed23
PDF
Publication page038f3c82b9bdcf1f61e14c95143e7893fca2920692f1556e3d5d5009adcd2886
Manifestc8f62e851ec0aab7c119eae95b57534c155b057df0f91977aa2f7520704d023c

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
Signature4KJwVaIqNPjbF2JiQ92GpvJFPOUVxdxUytrGo49nA1knd+bw4mEjHmWkimVtjQN5SzB8EJmr8IEuVJXW4TRRDw==
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

2026-09-17T11:16:16.312431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041505
observed 038f3c82b9bdcf1f61e14c95143e7893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.296136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041505/manifest.json
observed c8f62e851ec0aab7c119eae95b57534c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.276709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041505/publication.md
observed 9205d6ee44205e355044a1db2f03fe22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.259334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041505/publication.txt
observed 8e27d48e3e0749b8beb8078586ee137a...
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.