OpenTechnical

OT-2026-000033199

Publication integrity record

Three cup vacuum gripper, three 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-2026-000033199) never changes.

Identity and time

Publication numberOT-2026-000033199 · never reused
Internal UUID01a0ae75-4844-7878-b178-3b94cc605a7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033199
StatusPUBLIC

Content hashes

Canonical text35fe36d4536e0cc9d3f094f16ff9abecdac43fa93a1600c4711ee3294c12b7c2
Markdown715eaf25c9d89e8efe0c7fc598750df2c0dc5138b9edad52f0c1a9461b1337ae
PDF
Publication page0b6e142b6f027ca6a9649c9d0f966a30dadf2cf8cb932d24b2177314e2320a39
Manifest5b8e9eb830a6d90879af2eea44b3e2fd65a733ba7d4644f5586634cf39641605

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
Signature8oorCdCE/okhiwuM1X1QIrfmpjShdpVkvbNoPhWKiI/IAIt8Tmg38zWp6vg444xzOdfXmSbw12SjmbOHD0SWAw==
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

2026-09-17T11:32:53.832543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033199
observed 0b6e142b6f027ca6a9649c9d0f966a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.815075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033199/manifest.json
observed 5b8e9eb830a6d90879af2eea44b3e2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.797758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033199/publication.md
observed 715eaf25c9d89e8efe0c7fc598750df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.773476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033199/publication.txt
observed 35fe36d4536e0cc9d3f094f16ff9abec...
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.