OpenTechnical

OT-2026-000103946

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000103946) never changes.

Identity and time

Publication numberOT-2026-000103946 · never reused
Internal UUID01a0aea5-15e8-70bb-8cf0-20e4d2c627d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103946
StatusPUBLIC

Content hashes

Canonical text0c344162c8566de301045ffbb12f680e5f2e3866e7c5f9370e67ca4d37502fde
Markdown9c8ef1892030dd6131758246ec6316de3fe1cf9561eb1ae447955565f37254fb
PDF
Publication pagea0d33b3b65ecb74a59e1dabfc43970af36c8e3af9a6adcf6f5f9602c78b90be9
Manifest44a35ccf9b6eab4cd98f24e89bbe9e111b66c4d2eafb3880f9c6e8f27cc208da

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
SignatureVu1la7c9zWFRFWmLGVKX7F3uPuXXr1dpgwQlfbgc2bCrQXag04i8thWA085sL6ngVIgW21ej9xV/eIQ1h/pSAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:56.810243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103946
observed a0d33b3b65ecb74a59e1dabfc43970af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.792271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103946/manifest.json
observed 44a35ccf9b6eab4cd98f24e89bbe9e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.775728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103946/publication.md
observed 9c8ef1892030dd6131758246ec6316de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.755729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103946/publication.txt
observed 0c344162c8566de301045ffbb12f680e...
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.