OpenTechnical

OT-2026-000103535

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pulsed 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-2026-000103535) never changes.

Identity and time

Publication numberOT-2026-000103535 · never reused
Internal UUID01a0aea4-e461-79ef-b31d-0626b9c9c69f · 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-2026-000103535
StatusPUBLIC

Content hashes

Canonical text9671fcbc699c48e65e5cc30c4f92c35ae45990362563c7e6df0ee2d0191afc37
Markdownf8ad9bdfa243e73fa2a76b2a730d1e77fad86ca91cf3f8656e0a19c9987fd824
PDF
Publication pagec51493c389a7bb67b624e3968f7cf5b0004fd63681eab548e0d9e19aa715d455
Manifest287ae07d66e70857de05deb07536538e0ddd5c8de7fea4a21e4be315c567c992

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
Signaturem/ZelJiOiFKP8PdaKV5UTYlqS3DG6JgcedZL2GUxIb3+ssQ/A4wCxgKu3ISdiSnYX3aNbdjJhs639oSh1+O5AA==
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

2026-09-17T09:22:18.614637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103535
observed c51493c389a7bb67b624e3968f7cf5b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:18.598045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103535/manifest.json
observed 287ae07d66e70857de05deb07536538e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:18.580921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103535/publication.md
observed f8ad9bdfa243e73fa2a76b2a730d1e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:18.561940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103535/publication.txt
observed 9671fcbc699c48e65e5cc30c4f92c35a...
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.