OpenTechnical

OT-2026-000040950

Publication integrity record

Foam pad vacuum gripper, three stage ejector, sustained 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-2026-000040950) never changes.

Identity and time

Publication numberOT-2026-000040950 · never reused
Internal UUID01a0ae79-6d11-7d5e-8f8a-e2f57bc97ee2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040950
StatusPUBLIC

Content hashes

Canonical textfa568e90ffd3614966036a9d05184526ed5f4d9228fc4a2eff14697d80ee97a3
Markdown1cf5f40b8f243fc1220fc266ac7198fd939d62073dab74c1dd26ed80d165dd7b
PDF
Publication page29be4d0de6259c668ea5830b02a51cb5691ec9d01ab5e5ddb9e0f14eb7557a5a
Manifestbbfc48f2de2adec8aec718d8e81fc71984abb731b76efa429a31356b3a05e67c

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
SignatureeSorEiYtW1B6GwxbCIz4cMnvxFrjczu/P4W8QuVa4a2aoTTWGjyCqZRXzJJdIr5no/z4QHgqUcGewPGynhdZCw==
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

2026-09-17T11:20:20.914592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040950
observed 29be4d0de6259c668ea5830b02a51cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:20.895389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040950/manifest.json
observed bbfc48f2de2adec8aec718d8e81fc719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:20.877774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040950/publication.md
observed 1cf5f40b8f243fc1220fc266ac7198fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:20.859753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040950/publication.txt
observed fa568e90ffd3614966036a9d05184526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:45.765475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040950
observed 29be4d0de6259c668ea5830b02a51cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:45.748068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040950/manifest.json
observed bbfc48f2de2adec8aec718d8e81fc719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:45.731687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040950/publication.md
observed 1cf5f40b8f243fc1220fc266ac7198fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:45.713772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040950/publication.txt
observed fa568e90ffd3614966036a9d05184526...
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.