OpenTechnical

OT-2026-000079713

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, 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-2026-000079713) never changes.

Identity and time

Publication numberOT-2026-000079713 · never reused
Internal UUID01a0ae96-4375-7d27-8300-a994394b4906 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079713
StatusPUBLIC

Content hashes

Canonical text680ab0b0de2ef100bab21893f53d84a835b7c7f7384127eed937bb38d314c767
Markdown6a5e218699295c22b5322e0988fdc2516bb1653a582c54b64543294c3220bb05
PDF
Publication pagee92590bc2f79a325a767979ff81faaa49eba7ad672349bbe506088f0c84ea3d2
Manifest68b64a87606bc046c5771ae7a408397c1b9fe8c0a10f46db3f57b33fb7227dce

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
SignatureCpQuEHdwrvcZUZfRKUjEduUoogyMO6Mmhk4bFcauDh1MtZTieQJw6XsmfG+quLwE/Z8aDedVSFMj2hCVtxSyDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:34.346780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079713
observed e92590bc2f79a325a767979ff81faaa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.329753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079713/manifest.json
observed 68b64a87606bc046c5771ae7a408397c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.311651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079713/publication.md
observed 6a5e218699295c22b5322e0988fdc251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.293980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079713/publication.txt
observed 680ab0b0de2ef100bab21893f53d84a8...
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.