OpenTechnical

OT-2026-000078868

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000078868) never changes.

Identity and time

Publication numberOT-2026-000078868 · never reused
Internal UUID01a0ae95-ccbd-7bb6-9606-e5b71c7846b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078868
StatusPUBLIC

Content hashes

Canonical text2bcefbe1350b796ee04c4a96f9381e12b5d7b92b09772756b7b99a5149e14297
Markdown1f4036662df7f24a72afd279a090e41540a6be28ed92f04b4d114bf031187d3a
PDF
Publication page198938831662aa9dd96f451aeafd06a516dd6599221aa35d5c58f2a2b61c9768
Manifestbd1a3408938ad30840ed820a88146958f00a05f0a9e67030f53ceba7cbf613a6

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
SignatureZR1kdTkiEoCDOpdiXaDkOyFcjmdi6ildv5iL1uD/BOUSoZSqqgm87tSt5kvsn+bE/DakQzd8/Ij9pgYKG61nAQ==
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

2026-09-17T10:05:40.151253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078868
observed 198938831662aa9dd96f451aeafd06a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.134716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078868/manifest.json
observed bd1a3408938ad30840ed820a88146958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.116365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078868/publication.md
observed 1f4036662df7f24a72afd279a090e415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.099410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078868/publication.txt
observed 2bcefbe1350b796ee04c4a96f9381e12...
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.