OpenTechnical

OT-2026-000095428

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000095428) never changes.

Identity and time

Publication numberOT-2026-000095428 · never reused
Internal UUID01a0ae9f-8f73-7154-a6aa-dbc7f20372c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095428
StatusPUBLIC

Content hashes

Canonical text250e564433799aada231b251ed2d4636d35873baa8dadc0ef17bf5faa2e5b705
Markdown83d2790eaf8507f27983c5fa373e4d701c4afef3c1c841544e7f7860663bb1bd
PDF
Publication page71fb1cbfa7bb76157950870d0d66cf75954e46c9acc3eab170f8ac4b3d3de694
Manifest00b2f0cec5a29a6524cca230a4ceca8781865ccf3beed9488809c9d8d8d797d9

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/VMQQGyfBo8r9gIcPBY8HPk9CeURGA6ITIso4wJIhzHzuyFTfp4B7Ji1Ex+MB0J2LjyVRjbcboRCu4Si5FcyDg==
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

2026-09-17T09:36:48.435934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095428
observed 71fb1cbfa7bb76157950870d0d66cf75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.418103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095428/manifest.json
observed 00b2f0cec5a29a6524cca230a4ceca87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.401681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095428/publication.md
observed 83d2790eaf8507f27983c5fa373e4d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.384120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095428/publication.txt
observed 250e564433799aada231b251ed2d4636...
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.