OpenTechnical

OT-2026-000050890

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, vented 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-2026-000050890) never changes.

Identity and time

Publication numberOT-2026-000050890 · never reused
Internal UUID01a0ae82-c7b3-73ce-86f0-84fed12b2235 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050890
StatusPUBLIC

Content hashes

Canonical text5768ad2ce9c9ce0cd825fac5022334c205623b24c7aeadae916129c7eeef5053
Markdown19abccc85009c398ca8781a72108d56ff353c80a6eacec3ff2981cd6e4d434c3
PDF
Publication pagef354ff5366d350bcb3aeabdd7a8a51509c77318c8363a7791e732d8c208a9538
Manifest69ca9707cc67fa41cd0cec53071b236637e10bf2ad87c171607a273d5c8d55d4

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
SignatureWChPHYwzYC375DprDama2SAwdkqQbVFqqGTt0R3OU0mDAy5Ho0+Ku98jGcmXgaAqj72Ky6V/0u8srHtfOmVwDg==
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

2026-09-17T11:00:37.740139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050890
observed f354ff5366d350bcb3aeabdd7a8a5150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.700207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050890/manifest.json
observed 69ca9707cc67fa41cd0cec53071b2366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.678037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050890/publication.md
observed 19abccc85009c398ca8781a72108d56f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.653490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050890/publication.txt
observed 5768ad2ce9c9ce0cd825fac5022334c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.603243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050890
observed f354ff5366d350bcb3aeabdd7a8a5150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.570031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050890/manifest.json
observed 69ca9707cc67fa41cd0cec53071b2366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.545341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050890/publication.md
observed 19abccc85009c398ca8781a72108d56f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.522918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050890/publication.txt
observed 5768ad2ce9c9ce0cd825fac5022334c2...
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.