OpenTechnical

OT-2026-000022043

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000022043) never changes.

Identity and time

Publication numberOT-2026-000022043 · never reused
Internal UUID01a0ae6f-bb5c-79eb-808d-a993d9648a7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022043
StatusPUBLIC

Content hashes

Canonical text322f74a72226f6e35e9a23c9ba1034b3c09602ad603d6378e826f4b2f1bd4752
Markdownaaa5379bb2b95b24f8e2e5ec5c7684a2d39a08218e9d6f35598211f6b48eaae6
PDF
Publication page4defd2a1a1ed4ebd62798f3da838ef0a5a5446ba12de119049dc08852bf49b7c
Manifest6f41214b0f255f06cb346d018285cb274cef7dae8377fdf32721f324731056cf

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+KwwDLkn809hFZZnjxVKSvWIQVqSfzWYnNxsyEnI60zSYyJJ84tWbASsFB6yWscD0ySBc733i+jVGWvfY0gwDg==
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

2026-09-17T11:54:43.998650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022043
observed 4defd2a1a1ed4ebd62798f3da838ef0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.979818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022043/manifest.json
observed 6f41214b0f255f06cb346d018285cb27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.962893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022043/publication.md
observed aaa5379bb2b95b24f8e2e5ec5c7684a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.942834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022043/publication.txt
observed 322f74a72226f6e35e9a23c9ba1034b3...
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.