OpenTechnical

OT-2026-000026572

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, sustained blow-off before 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-2026-000026572) never changes.

Identity and time

Publication numberOT-2026-000026572 · never reused
Internal UUID01a0ae71-f4a9-7e6e-9ae8-df325116168c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026572
StatusPUBLIC

Content hashes

Canonical text34a46e37c942bacb30e8faf453bd8447e31a490be30f96b694563201d8d7170a
Markdownba66106e8aaf67e205c51c91d4e7408a7792698a7f6997860bf085d4c51ea48d
PDF
Publication page9ce630dce67d8d240529e0ea36efa3d1d829f1b8f034803575cb977bb61db899
Manifest66530d7cfe78bc6e974d498b2715297f9f53f6a6df97d409c04e5d7890bc97a9

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
Signature1oM1QuN1ILh76uJxLmAUdnN9wbn7hgUs4uvR1b2XtdsaEit/WOhV31meRZ3IY7zQKQyh005hur8HB3yYBbEzCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:42.089396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026572
observed 9ce630dce67d8d240529e0ea36efa3d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:42.071482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026572/manifest.json
observed 66530d7cfe78bc6e974d498b2715297f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:42.054782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026572/publication.md
observed ba66106e8aaf67e205c51c91d4e7408a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:42.036388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026572/publication.txt
observed 34a46e37c942bacb30e8faf453bd8447...
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.