OpenTechnical

OT-2026-000011063

Publication integrity record

Single cup vacuum gripper, pump fed, vented 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-2026-000011063) never changes.

Identity and time

Publication numberOT-2026-000011063 · never reused
Internal UUID01a0ae6c-540e-7f11-8e95-81f789bf3172 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011063
StatusPUBLIC

Content hashes

Canonical text1c6a92e022a999ea0a1774ec9a76f08cf31462e3685cf13fc5250940c5921774
Markdown38dec95900ee99044367e7f5761a7226de37053c5c09382e2022e08517888d0d
PDF
Publication page9a996a8d2fbd4d40d48785236be4c5d6216a304640df3470154c25c091c69543
Manifest0ba7cc71e6019d6e797b1ad22c0a393786c8cad26ad28307fd58271430750b0f

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
SignatureFviHHjXbFMMcCDbk39aF7NeqN1Tb1mwV/BRdz4swGKOgkW+m97O04YW+TRLfqcUu5ntbSKZpOHya4ON7VdmYBw==
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

2026-09-17T12:13:53.847440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011063
observed 9a996a8d2fbd4d40d48785236be4c5d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:53.826204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011063/manifest.json
observed 0ba7cc71e6019d6e797b1ad22c0a3937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:53.804814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011063/publication.md
observed 38dec95900ee99044367e7f5761a7226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:53.784318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011063/publication.txt
observed 1c6a92e022a999ea0a1774ec9a76f08c...
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.