OpenTechnical

OT-2026-000033742

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, pulsed 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-2026-000033742) never changes.

Identity and time

Publication numberOT-2026-000033742 · never reused
Internal UUID01a0ae75-a390-7e36-87de-b9bc1f147023 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033742
StatusPUBLIC

Content hashes

Canonical text0f6a0e75dce8b8904d4990d17151c17a2dc8fff09894c7a4d0e2fc308ae22758
Markdowna92ff481087a58619574d2a11a9a31214a57473cfc0fcec66a99d094968e868b
PDF
Publication page9bff3a8e2f038c2b54520f708087a724942d7fe9cc12cbbc30bb60cf2e9308cb
Manifest9a7f538d5783426e11ecbecc8d76c5584a5535f6e29e75c8b18430eff615baad

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
SignatureJRebm39IuipeGbsKpiFMku1RHapHrdQQWKu2hMsVcXcpBMraUekSM8fmvClMdOvr6f0NmncrvDD6E9wCAukuBw==
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

2026-09-17T11:31:45.060001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033742
observed 9bff3a8e2f038c2b54520f708087a724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.009708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033742/manifest.json
observed 9a7f538d5783426e11ecbecc8d76c558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.991595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033742/publication.md
observed a92ff481087a58619574d2a11a9a3121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.973721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033742/publication.txt
observed 0f6a0e75dce8b8904d4990d17151c17a...
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.