OpenTechnical

OT-2026-000025395

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000025395) never changes.

Identity and time

Publication numberOT-2026-000025395 · never reused
Internal UUID01a0ae71-5fa7-7327-83b8-5bad129fc4a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025395
StatusPUBLIC

Content hashes

Canonical texta6410ed471afa3da8eed6636cd685846741b2f2631fac63897e85f67aea7b89b
Markdown73a6c12f71fd4b34173f20edd3762b61d11a5b70a697be786e5906900417c254
PDF
Publication paged2273d44aea7f2249ab090ea05b2bbbb4197777e92308d8ca1998d07f4afd873
Manifest17de2e9573befe1ac415f73e6618d1543fafed3cabbb7018da11a365840fb5bb

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
SignatureopwP8aEb/FngX8xEYpjahHOiJuI9wKuBHXMBrD6XO/VnYGu4i9Tp4a/J6z58Ca3qVkZz/mnGhtOOqGeobqjeBA==
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

2026-09-17T08:43:30.469830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025395
observed d2273d44aea7f2249ab090ea05b2bbbb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:30.053839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025395/manifest.json
observed 17de2e9573befe1ac415f73e6618d154...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:29.756160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025395/publication.md
observed 73a6c12f71fd4b34173f20edd3762b61...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:29.323024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025395/publication.txt
observed a6410ed471afa3da8eed6636cd685846...
fetched by grabo-systems from 34.44.131.203, 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.