OpenTechnical

OT-2026-000041322

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000041322) never changes.

Identity and time

Publication numberOT-2026-000041322 · never reused
Internal UUID01a0ae79-b144-74e0-a46c-d6f254112d57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041322
StatusPUBLIC

Content hashes

Canonical textc39827272e90801b265096b24366c57b52234a14d7593670a97f3fb590a85b81
Markdownf4c82e36e1e8bdb8f81328e35f5cfe2f33445bee469f5728d95cf4991e549aa4
PDF
Publication page8d78aa8c4630741d11f44267654402d3c53c18dac18e8fb917b3366111761359
Manifest568c1baf80a5e5903a48578b84b8fa5deb7233c7db0f9843bfeb82c9e00a9249

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
SignatureFTVFmAkqyZnaQJobNJnVhzbjfJA0fEo5oQV5Md0G9TvSteU6ZEp4nWpov1/Ixpmx165yQ0EuV3EVqeLKTFPVBg==
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

2026-09-17T11:17:18.777632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041322
observed 8d78aa8c4630741d11f44267654402d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:18.759444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041322/manifest.json
observed 568c1baf80a5e5903a48578b84b8fa5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:18.740924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041322/publication.md
observed f4c82e36e1e8bdb8f81328e35f5cfe2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:18.721566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041322/publication.txt
observed c39827272e90801b265096b24366c57b...
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.