OpenTechnical

OT-2026-000058380

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000058380) never changes.

Identity and time

Publication numberOT-2026-000058380 · never reused
Internal UUID01a0ae88-f39a-756d-bcef-c1e8c4fbb0b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058380
StatusPUBLIC

Content hashes

Canonical text029c8d2360afcee216938ebc04acf76f058a658cec71df74122829a865e69ea4
Markdown87f14d71e015324131cd182f4ee532fdf953519e723a032e1e8225469d17194e
PDF
Publication page0ff924307e7f377f09183546c6bda1f864175bbecfedbedbd6afb0e0770c5c44
Manifestf4f5ec3d3f6f57bda263a05c2b6f22e1c52232b16f34b0ad9a30585b54472eb6

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
SignaturefTjs568dr3+PRIjgUBbAU9jXbz+EGGMh7o5xp+phyr+yHOPfRTRcy2OwCVj2XCEyoE0Kp6giuqdMZ+E0I0EwBg==
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

2026-09-17T10:46:48.185373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058380
observed 0ff924307e7f377f09183546c6bda1f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:48.166422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058380/manifest.json
observed f4f5ec3d3f6f57bda263a05c2b6f22e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:48.146210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058380/publication.md
observed 87f14d71e015324131cd182f4ee532fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:48.128521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058380/publication.txt
observed 029c8d2360afcee216938ebc04acf76f...
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.