OpenTechnical

OT-2026-000078218

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000078218) never changes.

Identity and time

Publication numberOT-2026-000078218 · never reused
Internal UUID01a0ae95-7c26-7e88-8c91-3d14405ab677 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078218
StatusPUBLIC

Content hashes

Canonical text36040a1e5dfe558027e28729e002c88087b7c190caf11d30cdcc36b4dde889c3
Markdown936ec03d6cfddd346db7bb5cbb7b3042442ad2e6b0965a58333a15bd62cb2bd2
PDF
Publication page386d0f27048e9e0fc2df4ef3d5ff9b429b2d24f73621118ca92d3c8646040267
Manifeste29ce3770fa89cb0894c489ec997ad60d0c6c9a28c4f030eb1de87eb4092efe7

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
SignatureUyC+jTFiQbBgMFDBP/1A+QXcH/A2Ot0q/WJUvLXwWAezBO9gZJDOnOvFBJtZlR6slUAxs52oXHn7Gkij2skGBA==
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

2026-09-17T10:06:09.937595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078218
observed 386d0f27048e9e0fc2df4ef3d5ff9b42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.918281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078218/manifest.json
observed e29ce3770fa89cb0894c489ec997ad60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.896926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078218/publication.md
observed 936ec03d6cfddd346db7bb5cbb7b3042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.879720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078218/publication.txt
observed 36040a1e5dfe558027e28729e002c880...
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.