OpenTechnical

OT-2026-000048890

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048890) never changes.

Identity and time

Publication numberOT-2026-000048890 · never reused
Internal UUID01a0ae81-134b-7ae6-aae4-c64ecc5de755 · 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-2026-000048890
StatusPUBLIC

Content hashes

Canonical text58a6f44e21aeb1ed1405c3942c2e22fb929ad77c63c67f815e130d08d672add9
Markdown491a05c05d7fcdfdfaec6c20238faec9e1fa6dd4eea725fc9c29f726e52f1c29
PDF
Publication paged86d17696c3f209ddbb372194c7d62d74ea6549d40b584818acbd50f7880897b
Manifestd9d184a1084668bc6c73d7789bcbbf0788ad7cbaef256b6a4362205b69ea148a

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
SignatureJFBlRZt2XsQp5J4ayHV6T3RtPWe3iAnmW96gJ4kwbM5ugMvgvuLXmqn5sS9OeI5M5ga9aEc93lvHRIK7yMmbBw==
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

2026-09-17T11:03:03.219207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048890
observed d86d17696c3f209ddbb372194c7d62d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.197722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048890/manifest.json
observed d9d184a1084668bc6c73d7789bcbbf07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.180446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048890/publication.md
observed 491a05c05d7fcdfdfaec6c20238faec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.162365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048890/publication.txt
observed 58a6f44e21aeb1ed1405c3942c2e22fb...
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.