OpenTechnical

OT-2026-000033444

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000033444) never changes.

Identity and time

Publication numberOT-2026-000033444 · never reused
Internal UUID01a0ae75-a38d-79da-9278-f999c11ce41b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033444
StatusPUBLIC

Content hashes

Canonical text25f018a41b716ae5c07f54e1a0040bb21cf3ec5d458797699de3e376c0f65b50
Markdown952eb2b85dc85e0e4e517ad4a25514423a44e61f931eee30d7dd097fa4a20302
PDF
Publication page68dde9f46493d0a4fc593caf1ab654df056403e8d66e7ba396df3f447328ad51
Manifestb79724ed4ce4cfe4fc97b77969fddba280d3b02276e27448a8b1777c8ba411ac

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
SignaturejswJ0YqDlBTs//LDnqm0oiRWbH6+DzbSHhm8WFzW4JxE2QdWOzUa0KQlvEZotHBAKRQdBOD00wAd79aWOPEyAA==
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

2026-09-17T11:31:16.601096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033444
observed 68dde9f46493d0a4fc593caf1ab654df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.582342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033444/manifest.json
observed b79724ed4ce4cfe4fc97b77969fddba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.563310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033444/publication.md
observed 952eb2b85dc85e0e4e517ad4a2551442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.544370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033444/publication.txt
observed 25f018a41b716ae5c07f54e1a0040bb2...
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.