OpenTechnical

OT-2026-000062742

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, vented after 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-2026-000062742) never changes.

Identity and time

Publication numberOT-2026-000062742 · never reused
Internal UUID01a0ae8c-6389-71e9-b165-ef0ad2f62cb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062742
StatusPUBLIC

Content hashes

Canonical text8074623e0e2c81ffbf897a640ebd12f074ff90a2ba2701feb0b567bd036c3644
Markdown046c9860df2c4848a241ee77c4111fe68e89d8cfcdd5756bb44ca0f58056e5ea
PDF
Publication pagebe412e3bebab1eee22494666d2099cd7a32be3ad8304c176ffc5c7600bfe26f1
Manifest1ab42fb5ddf11c00e73d27bcad2558816a2efecf995fccee53204ffb24ef51e6

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
Signature2QCuLlFxaMxgtPaI8EajgSiwQWpiItYP3DWnOU0XYwA7MCJisP4uFyHMIbAX9YETmhE/u5UJZx/z9/CkNCabDg==
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

2026-09-17T10:39:19.187154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062742
observed be412e3bebab1eee22494666d2099cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:19.168809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062742/manifest.json
observed 1ab42fb5ddf11c00e73d27bcad255881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:19.151140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062742/publication.md
observed 046c9860df2c4848a241ee77c4111fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:19.131044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062742/publication.txt
observed 8074623e0e2c81ffbf897a640ebd12f0...
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.