OpenTechnical

OT-2026-000071768

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000071768) never changes.

Identity and time

Publication numberOT-2026-000071768 · never reused
Internal UUID01a0ae92-1e91-715d-bf05-56f8b2c6c389 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071768
StatusPUBLIC

Content hashes

Canonical text998040444f53e710809689486b30db827b8433786d444a00e702e61a746d10a6
Markdown58d1ef339637b36f3b8ac45624aaab01fea9956d4e64e08f1f0275494be6ca9d
PDF
Publication pagec5f3ddc1f050c7c90981d06e001707fc567f9626854735267821fe4157c660ca
Manifestcb74304864cb4542fb2a242c34dd45f87e84269225696a428214a615575a3f9c

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
SignatureqXdDPLyVT53Sv8jQaiTWtI8g7hvbiptXfA0HtQhEnSIHtWIBdYf8CoiDVSQq+Czwkq0u/uU6pGLgvq+4wW56Cg==
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

2026-09-17T10:23:55.797387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071768
observed c5f3ddc1f050c7c90981d06e001707fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.779851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071768/manifest.json
observed cb74304864cb4542fb2a242c34dd45f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.761707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071768/publication.md
observed 58d1ef339637b36f3b8ac45624aaab01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.743628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071768/publication.txt
observed 998040444f53e710809689486b30db82...
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.