OpenTechnical

OT-2026-000075941

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000075941) never changes.

Identity and time

Publication numberOT-2026-000075941 · never reused
Internal UUID01a0ae94-2a00-7224-af0f-c33a25b4151a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075941
StatusPUBLIC

Content hashes

Canonical text1337a0e579b01ecf31fc4fce546e8bb5306fd2acf75f441806305abef212642b
Markdownfadf6f2eee7f953f7b6091020623771cb97f192a76bfa765f4ddeef254761a22
PDF
Publication page9c3f396b7876b6749f08a0a9f5ed7d952764695eb8c8a44d8887cb0a502b02cc
Manifest241b87f2a0305708355f28202b915ef339e90851a7d9cc2daa51076de16ac93b

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
Signaturev1kmFTRLDOyy/yED1nL/AJ66PG3fY2nI+38uePIVnGVV4RmuVrqDuhH9WtbRFaxzZVD+gl3jBYjQJ7MNkHiQAQ==
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

2026-09-17T10:20:03.503769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075941
observed 9c3f396b7876b6749f08a0a9f5ed7d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.485454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075941/manifest.json
observed 241b87f2a0305708355f28202b915ef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.463681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075941/publication.md
observed fadf6f2eee7f953f7b6091020623771c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.444046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075941/publication.txt
observed 1337a0e579b01ecf31fc4fce546e8bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:53.732965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075941
observed 9c3f396b7876b6749f08a0a9f5ed7d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:53.713158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075941/manifest.json
observed 241b87f2a0305708355f28202b915ef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:53.694426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075941/publication.md
observed fadf6f2eee7f953f7b6091020623771c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:53.299530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075941/publication.txt
observed 1337a0e579b01ecf31fc4fce546e8bb5...
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.