OpenTechnical

OT-2026-000051171

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000051171) never changes.

Identity and time

Publication numberOT-2026-000051171 · never reused
Internal UUID01a0ae83-273f-708e-bbec-a584a6552e99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051171
StatusPUBLIC

Content hashes

Canonical text8934b4c8f38d949e3c66103a366bc482a38d982e92aff4d34cb8227a6e03aa79
Markdown9d4579a862570fdf0f592464e27136fe900e28075104d9629e14f30d285eba1b
PDF
Publication page5a4aaac2c2aeccfddd1cf2a0ee159bda4c6203f6ee9f852673f94870924c57c2
Manifest9b80bb8affbde39e9dbccfce052c94da22bbe1dccdce74e9ba882dc90becda4e

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
SignaturejDoMjhF/NRp4jeAbiFpFBLDvxIZDP8w2YrakXSGd03SfNGd0sLIMDZZMcTP8Kj5NMNzOmYnyJznUPhqIs5h3Cw==
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

2026-09-17T10:58:56.508410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051171
observed 5a4aaac2c2aeccfddd1cf2a0ee159bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:56.489219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051171/manifest.json
observed 9b80bb8affbde39e9dbccfce052c94da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:56.469554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051171/publication.md
observed 9d4579a862570fdf0f592464e27136fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:56.449010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051171/publication.txt
observed 8934b4c8f38d949e3c66103a366bc482...
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.