OpenTechnical

OT-2026-000044353

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000044353) never changes.

Identity and time

Publication numberOT-2026-000044353 · never reused
Internal UUID01a0ae7c-39d6-770d-98fc-e980cddbf7d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044353
StatusPUBLIC

Content hashes

Canonical text8bbbadfcfd6d47a16d4cedfc8e8223ef0e714a2530db3d4caa70374779a3cdfb
Markdown5c9d843df9e0312b787e61390ce92d5d8f5829f83823ecf15c8d53cf4f0e77b5
PDF
Publication page56eb4d5acfc6242af3f2ca37e00364a31a0b1761f2b59e1702168c785568cdfb
Manifest5263dca81765bb062ad431f1bda6bff350c16ed6dd2df4258d11631cf5baf3df

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
SignaturewMrmy3q0zaagjd2HyjpmqLWfHJdbQeG7ox4kPduy+j50yWXgohD6J0bTZgYp4oGDC8VkR/u9y4zia5oMc5i5AQ==
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

2026-09-17T08:30:27.505028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044353
observed 56eb4d5acfc6242af3f2ca37e00364a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:27.484904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044353/manifest.json
observed 5263dca81765bb062ad431f1bda6bff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:27.462172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044353/publication.md
observed 5c9d843df9e0312b787e61390ce92d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:27.317966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044353/publication.txt
observed 8bbbadfcfd6d47a16d4cedfc8e8223ef...
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.