OpenTechnical

OT-2026-000032771

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000032771) never changes.

Identity and time

Publication numberOT-2026-000032771 · never reused
Internal UUID01a0ae75-1071-7398-b9cf-fe631e098bab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032771
StatusPUBLIC

Content hashes

Canonical text23dd907e9d2df283655a54a7d8ee7b75ebb1f9c19e7985cbd3ec0a7f4774972e
Markdowndbb2796ab1e61eb61b63307b4fedfb0680cbd799146fc62d3bc43ba53c5bd6e3
PDF
Publication pageddc729c94ad3f2a27c3ff7d009483ca083325e80d1517b71a4750f08ca27570b
Manifest11db5568770234236a34de84f98e14c06ce93b992e835f81b2860fa662b71386

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
SignatureTMGdrhJIB++V8PoIUwSPF2NwZFFsu2iFOa2x+IsjKiuYjNMcxc8DrpM2jP3EDgpLm0fDVxtbXHvuz8xwtViMDQ==
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

2026-09-17T11:34:24.252165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032771
observed ddc729c94ad3f2a27c3ff7d009483ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.234685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032771/manifest.json
observed 11db5568770234236a34de84f98e14c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.216145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032771/publication.md
observed dbb2796ab1e61eb61b63307b4fedfb06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.198139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032771/publication.txt
observed 23dd907e9d2df283655a54a7d8ee7b75...
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.