OpenTechnical

OT-2026-000031084

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000031084) never changes.

Identity and time

Publication numberOT-2026-000031084 · never reused
Internal UUID01a0ae74-3fb8-7f62-b8f8-bdd8321cc916 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031084
StatusPUBLIC

Content hashes

Canonical text631a66cf29b6dcc440f5b5f163232e6efb64dbe13fe912a3263c560b81521d89
Markdown1d263993d2a768cae4d9e69d50158b8296c1d67509137586bec9dc8843ea4b55
PDF
Publication paged86771b37b406515feafb220da9f7030b45e43951a24f392c9e056ca912962d8
Manifestff72593e5adb4820e5a21c9d68b200ea6ef1240c82c8a9031ef0c3351b9807b8

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
SignatureQQl57FP7rGvgyh6gt4U3ve83iPUCm+62S9l3n3+VhACA+ZOhPSJM68O7aG4t3W1WxFvjFZgDhpBIyKcYGh03Dw==
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

2026-09-17T11:40:18.398231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031084
observed d86771b37b406515feafb220da9f7030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.379008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031084/manifest.json
observed ff72593e5adb4820e5a21c9d68b200ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.361157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031084/publication.md
observed 1d263993d2a768cae4d9e69d50158b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.342339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031084/publication.txt
observed 631a66cf29b6dcc440f5b5f163232e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.465871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031084
observed d86771b37b406515feafb220da9f7030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.449204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031084/manifest.json
observed ff72593e5adb4820e5a21c9d68b200ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.427677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031084/publication.md
observed 1d263993d2a768cae4d9e69d50158b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.411059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031084/publication.txt
observed 631a66cf29b6dcc440f5b5f163232e6e...
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.