OpenTechnical

OT-2026-000060839

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000060839) never changes.

Identity and time

Publication numberOT-2026-000060839 · never reused
Internal UUID01a0ae8a-b7d1-7fa5-a01b-7d27c6e85171 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060839
StatusPUBLIC

Content hashes

Canonical text900668e9189845e374d4189cef5ec5fbe9690752d8a5ad82f95cb79753bcd285
Markdown6078dc37bf57ea9f7169b1ebc650ab458614370d1459c853f0566c73044c2b45
PDF
Publication page06391cf95c9a6e7a6fdb79f5f3a1a3c8e71a4da669e3c4d208d02280accf29d5
Manifest617ecd7ba12120205c850d43cb5f7e37e0a0519cec84b3722f508b70fb0ba863

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
Signature400DRglfTe9GfMTPXv7uYhhs7yQ0JcVG/hzyDrOMA5WrTwlEbqcKneywxcYwrKN7xcPp5zkyh4hYrQBQlPWcAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:35.640796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060839
observed 06391cf95c9a6e7a6fdb79f5f3a1a3c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.623402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060839/manifest.json
observed 617ecd7ba12120205c850d43cb5f7e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.605303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060839/publication.md
observed 6078dc37bf57ea9f7169b1ebc650ab45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.589538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060839/publication.txt
observed 900668e9189845e374d4189cef5ec5fb...
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.