OpenTechnical

OT-2026-000058468

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000058468) never changes.

Identity and time

Publication numberOT-2026-000058468 · never reused
Internal UUID01a0ae88-f39b-7736-af22-94bb6fe9341a · 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-2026-000058468
StatusPUBLIC

Content hashes

Canonical text6389e81d517264673689f724676d26eba6852bc7bfe1daa60dcd24fed384c59a
Markdown4aa4b3a0ad4e0cbdcfb4e7364af242ee8bbb28d900ab9f5f5245e59b67bd7bbb
PDF
Publication page3de2e4e6acc7ca453a8b000cefc9435bb6f43fca31de0c0d87cf34c574a2e0c9
Manifestb74aa236b38b0511f587d2d57f7019f1d7175c956854633c04dedd1a244a8865

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
SignatureuUsAXsM9metUjhj2GsU0io9gXdJQjNdfj3R26vESoeVBKOmLMGpiV6cXoTryDIu8HJRMH8BOqXfAYl50ibkvDw==
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

2026-09-17T10:46:55.160701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058468
observed 3de2e4e6acc7ca453a8b000cefc9435b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.142945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058468/manifest.json
observed b74aa236b38b0511f587d2d57f7019f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.113350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058468/publication.md
observed 4aa4b3a0ad4e0cbdcfb4e7364af242ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.095029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058468/publication.txt
observed 6389e81d517264673689f724676d26eb...
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.