OpenTechnical

OT-2026-000091665

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, 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-2026-000091665) never changes.

Identity and time

Publication numberOT-2026-000091665 · never reused
Internal UUID01a0ae9d-43b8-7c9d-8cc0-58f52c130355 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091665
StatusPUBLIC

Content hashes

Canonical text25c127654429ee54c16c7b18a47ccf2f4311a7aaebdfcf2fbf3c0131c39d60e2
Markdowncd8d2e02f6da757d2bf665ead04f2c730d8b9d32ba4fd3b78c547aa0d3942e30
PDF
Publication page99dd9062ad757d157ada8d7cf4b1dd316883401efa91067aec514fff0e7bd095
Manifest0859983f11d2e57e288b3b458939ebc9f67f0f5b5b8fcaf6dee0d87726974190

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
SignatureNiSRtp++DiUw/VMoASNLTrGtM7m4mLSurv36sEITjygrcfajKjH6ImdfNcILa22r3sl2jBU/n//ge3MH3QirCA==
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

2026-09-17T09:42:02.534182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091665
observed 99dd9062ad757d157ada8d7cf4b1dd31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.516345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091665/manifest.json
observed 0859983f11d2e57e288b3b458939ebc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.495134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091665/publication.md
observed cd8d2e02f6da757d2bf665ead04f2c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.477010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091665/publication.txt
observed 25c127654429ee54c16c7b18a47ccf2f...
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.