OpenTechnical

OT-2026-000027257

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000027257) never changes.

Identity and time

Publication numberOT-2026-000027257 · never reused
Internal UUID01a0ae72-6996-713a-9d0f-b8c20c186b73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027257
StatusPUBLIC

Content hashes

Canonical text8b0c2f4323cbc57a2c956c5126e11474957de644e27d4b8fe9e8a5786a1e8f37
Markdown88c4bb4072c5447d32c055aebe390560ad2b1109e9ee73697bf70f9252413615
PDF
Publication pagea9a989ccf7414c0d90c2f3b0e80e68320880f2259886ca4388dd2f8ced620c8c
Manifest623d6ef9d18da8f42dcd6bc42c8e0161451dfe31cb13dfa50adee18051c5dae3

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
SignatureCxFAuI5+QLwCYN+EmfpyrZSHwV+mYtLvJd4H1nSvgxNM/TvJP5emP3oRKxZr9BTgkCUqHcpXydDyLmw7RDD5CQ==
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

2026-09-17T11:42:37.687545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027257
observed a9a989ccf7414c0d90c2f3b0e80e6832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.670483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027257/manifest.json
observed 623d6ef9d18da8f42dcd6bc42c8e0161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.650750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027257/publication.md
observed 88c4bb4072c5447d32c055aebe390560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.631342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027257/publication.txt
observed 8b0c2f4323cbc57a2c956c5126e11474...
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.