OpenTechnical

OT-2026-000084043

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000084043) never changes.

Identity and time

Publication numberOT-2026-000084043 · never reused
Internal UUID01a0ae98-5b5e-74c5-bdfd-6f80f164d6d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084043
StatusPUBLIC

Content hashes

Canonical text59704dd4c06341ea0f688821552e96fb9f91f6abfe75359d91ab4a464b817400
Markdown67331a49e2d916da74ec9448b52cf890448a1e5e528d3d07d514143b2e30fd25
PDF
Publication pagee65a1ae59bf561f8be886ca4e66ebeb616e0d68e6eb22955407e7c6081bec9bb
Manifest7f8210be09762bf83c05adb7e679ab8ff85418cdcb690cdcc05c10e706bd1c2e

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
SignatureuTC9Ush8LHNw6H21IEc4mFzFv3mLj+ycN7olcmGhqO5ir2gl7X9n4n5RvLCp1YxnAFgl+4Cbrd7GO+mp0sL/AQ==
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

2026-09-17T09:55:46.409915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084043
observed e65a1ae59bf561f8be886ca4e66ebeb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.391511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084043/manifest.json
observed 7f8210be09762bf83c05adb7e679ab8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.374566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084043/publication.md
observed 67331a49e2d916da74ec9448b52cf890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.357482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084043/publication.txt
observed 59704dd4c06341ea0f688821552e96fb...
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.