OpenTechnical

OT-2026-000041250

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000041250) never changes.

Identity and time

Publication numberOT-2026-000041250 · never reused
Internal UUID01a0ae79-b143-7903-a8f3-cadb30d92fda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041250
StatusPUBLIC

Content hashes

Canonical text1d8017c087bfce2c4ccca8125a3d2c9f6cd9140a8041fb2cbdfa9d99179ce0ec
Markdownb19f1290b70e4dac94592da183297e0348b9ac4512e0ac3f823c80445ef1426a
PDF
Publication page5ff7c028f3b4ee8d6821ed49abdc77fad60bda787026a0b357d559f85add4d1b
Manifestba61dcb2259145c7ec80afd34e146c95f1735f49d7f62c43595b6da909b7a213

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
SignatureUwUUHzSvm0Qr6YHGqO08dU2+cZkHKV173tsp4PSjedcMxxiBAxsOT9ES9FgT69tvdDZz7sfjG2iuF9BjWjOEAg==
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

2026-09-17T11:17:13.200806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041250
observed 5ff7c028f3b4ee8d6821ed49abdc77fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.182208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041250/manifest.json
observed ba61dcb2259145c7ec80afd34e146c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.162673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041250/publication.md
observed b19f1290b70e4dac94592da183297e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.142890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041250/publication.txt
observed 1d8017c087bfce2c4ccca8125a3d2c9f...
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.