OpenTechnical

OT-2026-000030496

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000030496) never changes.

Identity and time

Publication numberOT-2026-000030496 · never reused
Internal UUID01a0ae73-e504-724c-aba6-165efe620ce9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030496
StatusPUBLIC

Content hashes

Canonical text9f04c24de2feb6630a8aaa7fbc96ac72a2262f6c94497a54e84a4960683abb3e
Markdown5c1f2b8f09a5d2c94b1033e3a0c6b78aa1220125580aa7f39190127c409cba17
PDF
Publication page772ae5daf681305192e8d545c061a18518a305361e8fd9f66ae83e5b8784d8e4
Manifest98dc44f07ab6086bf6171db1aafb9e0c228b490ad07a9ec1318270a466fe70d5

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
Signatured/U7Eov5ibOxcHyrjRMnJJujJPKunZjM+4NZmqDpze3GvZBmmesKS5vRNsywe2G/ZAif100UMbHCvQ313ZwgDA==
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

2026-09-17T11:38:21.045160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030496
observed 772ae5daf681305192e8d545c061a185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.028336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030496/manifest.json
observed 98dc44f07ab6086bf6171db1aafb9e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.009907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030496/publication.md
observed 5c1f2b8f09a5d2c94b1033e3a0c6b78a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.989501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030496/publication.txt
observed 9f04c24de2feb6630a8aaa7fbc96ac72...
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.