OpenTechnical

OT-2026-000067181

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold 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-2026-000067181) never changes.

Identity and time

Publication numberOT-2026-000067181 · never reused
Internal UUID01a0ae8f-14ff-71d0-841e-c004755eeb17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067181
StatusPUBLIC

Content hashes

Canonical texte0e1b9cdb7c8f791ada88f06bbcd3f311e42e3ed4e5598cdc2c7a0d116de228d
Markdown280c5016ab217a31d578beedaaa816a644325886379611aa5ba5d0d20cb7bd92
PDF
Publication page43927c3d423dde8f878a141e7a42011863b3fb640d747d0b50e4f07f774aaaaa
Manifest5841121d7c9fecbdfae8404af94813801f1d4c3182587789dc5b84942242e37e

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
SignatureSuyrOBrCtY2jr+VaXL/ZL2fV76u0mnS9jgMJpSUPAaJ1HPoj96TmZc2VZ9L3V+tP9kSunQjVqPgI45RD9MMbCA==
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

2026-09-17T10:32:27.886249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067181
observed 43927c3d423dde8f878a141e7a420118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.869877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067181/manifest.json
observed 5841121d7c9fecbdfae8404af9481380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.852804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067181/publication.md
observed 280c5016ab217a31d578beedaaa816a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.835577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067181/publication.txt
observed e0e1b9cdb7c8f791ada88f06bbcd3f31...
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.