OpenTechnical

OT-2026-000010049

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, sustained 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-2026-000010049) never changes.

Identity and time

Publication numberOT-2026-000010049 · never reused
Internal UUID01a0ae6b-cb79-71d9-8e78-9c2362ac1b4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010049
StatusPUBLIC

Content hashes

Canonical text262ff4f6f78f4ed6136ebbdd91521b7f44a0cb2b3a11a9a0ad40063958750414
Markdowneb0e484a35da24a1d0d00921134909df555ac5c46e9bf11bb9eaf3f17fce2c93
PDF
Publication page64ac855199afb0e1c5de95ce85a3cb1cc2314b67a28fbf8ca968ace6641f22c7
Manifeste77fa41cd1b1ae8513dcdffdc66062e308ef79123b44caa95c2e73d8318616c2

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
Signature+7JWUz05QavGoEE81zvboO9vVOMkrqPqw1Su5ujV50G6/4OQVMUaKYQT2Q9OKVKJnlpuBwd08gMRTDE+4sWjAg==
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

2026-09-17T12:16:07.078198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010049
observed 64ac855199afb0e1c5de95ce85a3cb1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:07.060059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010049/manifest.json
observed e77fa41cd1b1ae8513dcdffdc66062e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:07.040600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010049/publication.md
observed eb0e484a35da24a1d0d00921134909df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:07.022895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010049/publication.txt
observed 262ff4f6f78f4ed6136ebbdd91521b7f...
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.