OpenTechnical

OT-2026-000048329

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000048329) never changes.

Identity and time

Publication numberOT-2026-000048329 · never reused
Internal UUID01a0ae80-4de4-7411-87d1-2d49e75ed523 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048329
StatusPUBLIC

Content hashes

Canonical text824ce6eca8a70bf6c39e5d56c6e520d0457a896ba8168076daf24878e4a62f4e
Markdown04bac337429ed261a791ed49680fb84e6869a865571cf7a662e6b5efa5c4a522
PDF
Publication page4a7f5ac38cbf53b0e9e652b29b214f7defd9e580dff64b86cdee5e66f835c026
Manifestd33e9243f7972fc3dee59dd5bd8e97eeb5137581b94d4363d30f142fdcd2f3c4

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
Signature/l+qQTqVuCFEsxE8ywvpUHwB17IGvFdMag6GTQX92R0GCIgYQ878DqeJmUXAPg/z5y93r72oC6X3yVqJuFOpAw==
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

2026-09-17T11:04:56.056280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048329
observed 4a7f5ac38cbf53b0e9e652b29b214f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.037975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048329/manifest.json
observed d33e9243f7972fc3dee59dd5bd8e97ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.018510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048329/publication.md
observed 04bac337429ed261a791ed49680fb84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:55.998520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048329/publication.txt
observed 824ce6eca8a70bf6c39e5d56c6e520d0...
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.