OpenTechnical

OT-2026-000042657

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000042657) never changes.

Identity and time

Publication numberOT-2026-000042657 · never reused
Internal UUID01a0ae7a-c0ce-7f4d-9342-314108f23ccd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042657
StatusPUBLIC

Content hashes

Canonical text937c562f14180da11070bf23642b8e1465439c5ca3a466eb8ebf398b6c9cf3d7
Markdowndf161f9ef6a3f8dcba3cfd4ae8fea1116f5a0da1ca748948f716cfc45c58f61a
PDF
Publication page0c457a75c11406b08a3a6a6e187088c711ca04bc5195d65b6e2342413fbd2b59
Manifest946766417057940b22423f5cc70b27d36812d4a7500c4e8ee71128979b0870db

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
SignaturehHJODfvXwAykdNCWtWIs05WxoRTjSvNj9O/PoushM4gQxyr7WXTUmafEd+EZBKQJTKjSRW0J3Hz0uPMM6bFJBQ==
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

2026-09-17T11:14:59.958705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042657
observed 0c457a75c11406b08a3a6a6e187088c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:59.939891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042657/manifest.json
observed 946766417057940b22423f5cc70b27d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:59.921498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042657/publication.md
observed df161f9ef6a3f8dcba3cfd4ae8fea111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:59.903081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042657/publication.txt
observed 937c562f14180da11070bf23642b8e14...
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.