OpenTechnical

OT-2026-000085635

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000085635) never changes.

Identity and time

Publication numberOT-2026-000085635 · never reused
Internal UUID01a0ae99-aaad-713b-bab4-cbfcb0d4a8dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085635
StatusPUBLIC

Content hashes

Canonical textee0dac3c3a89718c29a661cb7be55ab34565b9558cfada6c0d689a4f38ce8129
Markdown4bb4edd8e3d337c2f220354ee17daec318c55d938862a4059e96635571015ad8
PDF
Publication pagefd3807ca6dcf702dac5eaabb73f288e1948906161d146135f9ab4ca315502139
Manifest4e69563d39f7a430231911c36babe84ed9ac7642eb1b696a99d350b194c9c22a

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
Signaturemaljou6T37xUm0rOvCj3JWcFhlhvO1YRuTw/H9b7GiVRzCR/4bW1aWnxKdwa4frVW4Um302q6FW2qo5pJ2CfAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:31.207549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085635
observed fd3807ca6dcf702dac5eaabb73f288e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.188832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085635/manifest.json
observed 4e69563d39f7a430231911c36babe84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.169654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085635/publication.md
observed 4bb4edd8e3d337c2f220354ee17daec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.150943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085635/publication.txt
observed ee0dac3c3a89718c29a661cb7be55ab3...
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.