OpenTechnical

OT-2026-000087377

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000087377) never changes.

Identity and time

Publication numberOT-2026-000087377 · never reused
Internal UUID01a0ae9a-cd4f-76ee-81f7-8e2bb66b918f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087377
StatusPUBLIC

Content hashes

Canonical text333edb99118912c09a6516480959e0ff6c3ca6e6ed1f145ebff9dcea9609db85
Markdown9c13f47f38ae7f237919e8b16eebfb5b6acab94e157a6cb364643edacb54348e
PDF
Publication page8afe98db2a0ec43e33867d9aacf2b5f4b72201fb6593ee24f5a2c1cc97b7848d
Manifestadacc6c11950969be91cc4ab8cde0f8b6fb1d94e7856684b2e68bd0aecfa2458

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
SignaturebChphbT4us51vdWY+CMmz6nQlYYMCBgvAF74ZfvQ2X6mLPjTMZ7jOYQ+5gxtQa/tzkoSdEYa0v7qX+pLc7sdDg==
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

2026-09-17T09:50:34.024132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087377
observed 8afe98db2a0ec43e33867d9aacf2b5f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:34.008007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087377/manifest.json
observed adacc6c11950969be91cc4ab8cde0f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.989012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087377/publication.md
observed 9c13f47f38ae7f237919e8b16eebfb5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.971618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087377/publication.txt
observed 333edb99118912c09a6516480959e0ff...
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.