OpenTechnical

OT-2026-000058184

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump 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-2026-000058184) never changes.

Identity and time

Publication numberOT-2026-000058184 · never reused
Internal UUID01a0ae88-6edb-7ed2-808d-4a82545b383c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058184
StatusPUBLIC

Content hashes

Canonical text52cec9d8fd4b9e3cd29139503db8dafb521edf6b33cf864f5d190f633de2b061
Markdownf1a299d4ddf574b67cdf09cd24d3187a52aa02f29f1ea6f2c66fb06cb870e32d
PDF
Publication page8e84b135408a691ce593c97e55205df0503581a69985380d9e03f5c17b0690b5
Manifest5f7377e184b737dc6ad6ee1958602100d7d4860fc9702a4e79f7d9c742d00a11

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
Signature7LSk1tudw1/tBjfKWsBh+sah6L343OnEWnRScoGV8nEAlv5eksZakNQ4VA3J4cRdLC8gwfaQD8iBtwEJyFs5Cg==
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

2026-09-17T10:47:53.376709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058184
observed 8e84b135408a691ce593c97e55205df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.359599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058184/manifest.json
observed 5f7377e184b737dc6ad6ee1958602100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.341843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058184/publication.md
observed f1a299d4ddf574b67cdf09cd24d3187a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.323372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058184/publication.txt
observed 52cec9d8fd4b9e3cd29139503db8dafb...
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.