OpenTechnical

OT-2026-000030352

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000030352) never changes.

Identity and time

Publication numberOT-2026-000030352 · never reused
Internal UUID01a0ae73-e501-7c11-85ae-64867e73509d · 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-2026-000030352
StatusPUBLIC

Content hashes

Canonical text52bdf996bd2d170a8422b11cf2bea5c1c049d4b8b0fbb247fd025413de971ad2
Markdownefa4319271d98b0ec52f064dae559cfbf68b4327544049e601c87156e72fcf75
PDF
Publication page30b8fa975b24fa490cc2fe223aaf88ec0cb74ceff2e7f8df8f5f975637a4a31e
Manifest1ff43910ba66da5506c3a921cf166b4c6cc72e41166576f0228cdb88a6b26d31

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
SignaturePnPPlNkkW1bpJ8Hfpn45TTcK3nFvFI9ceVKR4r+X/pg9lLJbTyGWouvc+u67rxxvIvFkN3J5XyO6TD4h6ERUDw==
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

2026-09-17T11:38:04.208805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030352
observed 30b8fa975b24fa490cc2fe223aaf88ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.191557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030352/manifest.json
observed 1ff43910ba66da5506c3a921cf166b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.174289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030352/publication.md
observed efa4319271d98b0ec52f064dae559cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.154938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030352/publication.txt
observed 52bdf996bd2d170a8422b11cf2bea5c1...
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.