OpenTechnical

OT-2026-000063690

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000063690) never changes.

Identity and time

Publication numberOT-2026-000063690 · never reused
Internal UUID01a0ae8c-f946-7148-aa5a-8f2c68c5f948 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063690
StatusPUBLIC

Content hashes

Canonical textb0ca2a1d7c144748e2ca38fb4f818e3ba16fdb10072e261724b7e5604b758405
Markdownaa63122679784c277d47b854cfc8921a1ba9800f1f6db6db772a199b20e606d8
PDF
Publication pageac931c11e1c727d1bedb0c18eb89828a28abab957afbc429506c297f3c7a7180
Manifest4b63e560528a4c6267d4c39d816b34d0b790dbfce5a944fd33ed14628225cf54

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
SignatureDwr6WTBP9/1VxUakAKk0+ruQIvoT3Vukgp9gEBtJxvBiDcfT6NU2ag+lS/TRty/iPTowXF2ZJbEYhVPh51NzDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:48.541586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063690
observed ac931c11e1c727d1bedb0c18eb89828a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.524611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063690/manifest.json
observed 4b63e560528a4c6267d4c39d816b34d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.505409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063690/publication.md
observed aa63122679784c277d47b854cfc8921a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.486440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063690/publication.txt
observed b0ca2a1d7c144748e2ca38fb4f818e3b...
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.