OpenTechnical

OT-2026-000103761

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000103761) never changes.

Identity and time

Publication numberOT-2026-000103761 · never reused
Internal UUID01a0aea4-e463-7da8-9863-2b18bbe2a741 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103761
StatusPUBLIC

Content hashes

Canonical text8e5df74556f87f2c7b5a6c816000bce716732ab5fa8384ae779a7c16dafec017
Markdownc301c2ff4a9b6c3fb740c548246171848986ce67480dee5f07679e5422e54b73
PDF
Publication page8185e1884967b7fc1a51f33b99c8fb629bca8aac2ad9e36fbe926f0ef86aa2e9
Manifest0c6753c815b201616b9b03448fb9578db39f66875a769401660c4fdab390affb

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
Signature7aWzkG1hzV2DngM06XjGsAWN7qO4a+CF4I2UPZelpQ2rnJumJYF8sRMhfrUs71tqPM0dqzpweGRTh5keXxVRDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:43.000456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103761
observed 8185e1884967b7fc1a51f33b99c8fb62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.984956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103761/manifest.json
observed 0c6753c815b201616b9b03448fb9578d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.968760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103761/publication.md
observed c301c2ff4a9b6c3fb740c54824617184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.951821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103761/publication.txt
observed 8e5df74556f87f2c7b5a6c816000bce7...
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.