OpenTechnical

OT-2026-000043802

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, sustained 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-2026-000043802) never changes.

Identity and time

Publication numberOT-2026-000043802 · never reused
Internal UUID01a0ae7b-d676-7563-b64d-ef8baa956a27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043802
StatusPUBLIC

Content hashes

Canonical text6a5a8ad1c134c460886c2aae3644dbbca619a811a442b7222ed4c75611be3876
Markdown1037c8c84144e2e543276fc523a70019b8ce896b5a0237ecd70233dd25372026
PDF
Publication page3d402a7096fb18586b2d40766cf0c3a014edcd6b94511c685646a487f7236702
Manifest7052ffdec0246cc885dcd09801967fde703b50c9048a543a193cc4921e40b74e

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
Signature7zuQm8rqB0tSkCWFrKZsw1rTpYR428y+aZYfisG2nWrC1tZhh5AAckKAwkWNawVFqg8+KJk+nSqKTKglKV2ODQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:06.271015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043802
observed 3d402a7096fb18586b2d40766cf0c3a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.252234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043802/manifest.json
observed 7052ffdec0246cc885dcd09801967fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.231421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043802/publication.md
observed 1037c8c84144e2e543276fc523a70019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.210946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043802/publication.txt
observed 6a5a8ad1c134c460886c2aae3644dbbc...
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.