OpenTechnical

OT-2026-000059597

Publication integrity record

Single cup vacuum gripper, two stage ejector, vented 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-2026-000059597) never changes.

Identity and time

Publication numberOT-2026-000059597 · never reused
Internal UUID01a0ae89-ec24-792e-9ce9-f95f3bf6f498 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059597
StatusPUBLIC

Content hashes

Canonical textca3ab8b6db9d1e6909024a438d1c50f40f7c2d7a087427aee5bc6bfc4b89b5d2
Markdowndbd2e7c790800f2862a06d9ddaea406a9186d5d41c1f5697eba77235c33f8fb7
PDF
Publication pageb21752aeb867acc6a0537bc11efccc00c7b4e1489dbdd9c3946603697d983bc8
Manifest3773dda269ecb59068391430ef2cfff182f82392054e89248c1e7f591c2ac10b

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
SignaturegikIvvbeOWlMet+uk+DqJHII3GpWuixqAsuudQk5k8Ay+RJ/ieTQMvvI1EMx34pM/xMEJVp8KyPYKUOXyniTBA==
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

2026-09-17T10:44:14.959192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059597
observed b21752aeb867acc6a0537bc11efccc00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.942745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059597/manifest.json
observed 3773dda269ecb59068391430ef2cfff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.924441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059597/publication.md
observed dbd2e7c790800f2862a06d9ddaea406a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.904854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059597/publication.txt
observed ca3ab8b6db9d1e6909024a438d1c50f4...
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.