OpenTechnical

OT-2026-000030711

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000030711) never changes.

Identity and time

Publication numberOT-2026-000030711 · never reused
Internal UUID01a0ae74-3fb3-783c-8f21-52dc117d26f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030711
StatusPUBLIC

Content hashes

Canonical textf3967a7d7403f62a8a3262fdff383c747b8b164ed3b33fb1740718832f7ac203
Markdown1f9372eea5691a22a36f02016c3e365f3b08ed64a4add679a6ec31e7f7dc93cc
PDF
Publication page543b72ce7b01d96fb28c4800fb1c48ebfe676dd2c71a39838c954f3eef4bbf68
Manifesteda5f3083981d7a6e5361d8577c6566b02a8b2e92fa5fe5852ceaf8741ca33f2

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
Signature/e+6ZQmqVzxbkI+9PjgFvFLeaxIa86e1Qk/SOQnqcTlD+AtYgTzmD+8JdRPTaqsUpEL5pkaPm0Rmh9sh+HoSBA==
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

2026-09-17T11:36:38.084609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030711
observed 543b72ce7b01d96fb28c4800fb1c48eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.067454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030711/manifest.json
observed eda5f3083981d7a6e5361d8577c6566b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.050777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030711/publication.md
observed 1f9372eea5691a22a36f02016c3e365f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.032522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030711/publication.txt
observed f3967a7d7403f62a8a3262fdff383c74...
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.