OpenTechnical

OT-2026-000049347

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000049347) never changes.

Identity and time

Publication numberOT-2026-000049347 · never reused
Internal UUID01a0ae81-1350-7854-83ba-96fe56a49972 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049347
StatusPUBLIC

Content hashes

Canonical texte9129b8a71e24f62a1f01cacc852692671dee1c7b3d5f54303e985d9da77e002
Markdown9d00636cd5596d3aa77f26b9a18cfad5b19b14f3d96d5dedbf25247f878ae9cd
PDF
Publication pagec22f6e24d78747915f5c79a9c3c48c0b748f4eb5aa517eeee31cb31140d32308
Manifest3e1b3b11821bc94b99d51cad7e204e458229c0ab383c90fef16ec0d24dd35af4

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
SignatureTZKME7uxL59sMx82dFaxEkXNyB92Z7+LeGqGNF89VZau83kBuP1mktdfrBxyHowma/WLJc4/rhA+ysy3wbkiBQ==
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

2026-09-17T11:04:13.846070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049347
observed c22f6e24d78747915f5c79a9c3c48c0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.827286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049347/manifest.json
observed 3e1b3b11821bc94b99d51cad7e204e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.808051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049347/publication.md
observed 9d00636cd5596d3aa77f26b9a18cfad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.788976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049347/publication.txt
observed e9129b8a71e24f62a1f01cacc8526926...
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.