OpenTechnical

OT-2026-000049184

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000049184) never changes.

Identity and time

Publication numberOT-2026-000049184 · never reused
Internal UUID01a0ae81-134e-757f-a33f-a0aca3f9bee3 · 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-2026-000049184
StatusPUBLIC

Content hashes

Canonical text889f52b3de2009b2d021f5c5fafb2b155965c606b61f3286811717e326080bb0
Markdown970952446bc8e34080b0e0abdf0767e79226ce5d2ca51350838cc812a89f0654
PDF
Publication page1b1dc88aac6fca04b878ee859d5339f8738715bee9c3bf37a851b1a72e26a237
Manifest4050e790aabc2883fe5d88fd7dde7707433eb8779ddc2da337de1b4fd84440ea

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
Signatureb0yB6jsKRIcx9ypuJ+l5CZ6EteywicQfj3xt21ybH4P2ebMUXFDxRZW9KrdSq/O/s2bqSbqfK2hIgBp9Y3TfCQ==
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

2026-09-17T11:03:59.446735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049184
observed 1b1dc88aac6fca04b878ee859d5339f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.430091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049184/manifest.json
observed 4050e790aabc2883fe5d88fd7dde7707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.411265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049184/publication.md
observed 970952446bc8e34080b0e0abdf0767e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.392839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049184/publication.txt
observed 889f52b3de2009b2d021f5c5fafb2b15...
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.