OpenTechnical

OT-2026-000082133

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, 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-2026-000082133) never changes.

Identity and time

Publication numberOT-2026-000082133 · never reused
Internal UUID01a0ae97-4d93-7f14-9a2b-feaa8df0ae4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082133
StatusPUBLIC

Content hashes

Canonical text2eca6ea7124ea8ebdd5f85f17167268d70c6ceebcda63ca09f9c59f26a50a18d
Markdown7a90c23a4a6f290e1cf190e3d7c23fb03adde849e72e4d3b9907caaf51a97893
PDF
Publication page90123736252faf51a08a81feeb23a7dff861bd55731a85fc9509ddba6ea8cba1
Manifest3f18be2fae1f13c281fffb1d2481f9030d60bcd3f6629c9abf883ebaf0c00fff

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
SignatureMHoaduzHBe3M2bb/NphW+aXqscerlDbvi7waD8nQE0prXyx/+l0od59ubakyApHXlGsimcz+kBiK7MmJ5k5HAg==
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

2026-09-17T09:58:56.968761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082133
observed 90123736252faf51a08a81feeb23a7df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:56.949702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082133/manifest.json
observed 3f18be2fae1f13c281fffb1d2481f903...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:56.930033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082133/publication.md
observed 7a90c23a4a6f290e1cf190e3d7c23fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:56.910406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082133/publication.txt
observed 2eca6ea7124ea8ebdd5f85f17167268d...
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.