OpenTechnical

OT-2026-000058680

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000058680) never changes.

Identity and time

Publication numberOT-2026-000058680 · never reused
Internal UUID01a0ae88-f39d-79f9-96d4-68a3a82f4250 · 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-2026-000058680
StatusPUBLIC

Content hashes

Canonical texta20cf8a39aaa06e254eb12058e409ff3adf6910c4de67e84e62e2b2784659f11
Markdown1dd6341b8d5b0711568071d7b65656e10483436506cc1058a60a9ef9c1174abf
PDF
Publication page3bc9d70dfbcf304f4efa20651950705edbe8bd4ac413a0e6a676a1efabb72a4f
Manifest8658cff60144de8ecc5191717f99ab821d6cd7582f7f9f545e3ae35d082c4b63

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
SignaturewH0fnr2lgeouL4MLM15PYUNKkRb73nwvxnpQ0+RxnqHmcRgq3y9CsQ9/xM0FXjN1yHm9AcFslX7fGxfz3f9VAQ==
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

2026-09-17T10:47:12.028612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058680
observed 3bc9d70dfbcf304f4efa20651950705e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:12.011106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058680/manifest.json
observed 8658cff60144de8ecc5191717f99ab82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:11.992021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058680/publication.md
observed 1dd6341b8d5b0711568071d7b65656e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:11.975103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058680/publication.txt
observed a20cf8a39aaa06e254eb12058e409ff3...
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.