OpenTechnical

OT-2026-000082146

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000082146) never changes.

Identity and time

Publication numberOT-2026-000082146 · never reused
Internal UUID01a0ae97-4d93-7b6b-8858-100b98dd4a9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082146
StatusPUBLIC

Content hashes

Canonical text317112a65f2696cd4213b7e3d369416fae34753912d94cc96b66a896d2ef17c9
Markdown47aa1f68b55467c55b4c39aa4e46c5d536ac2ea9096d696d05e811a7b26db6db
PDF
Publication page69cbe572dcc9bff4115bafec2064955ca49907258c50925655ca3b908a7b625d
Manifest789d9ab3249cf7cb7a9b16f6e7de83adb7fb1fec114fcf21b923eb51cf23a1c6

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
SignatureTZfRv78ZGVW+Drdngx7NstA/257PNrZXLTJxIu3B5XIiNi+Hw2OKo0OPdVS+MN2MStUZ4RZKUVmGz2mf11sYDw==
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

2026-09-17T09:58:58.001844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082146
observed 69cbe572dcc9bff4115bafec2064955c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.984979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082146/manifest.json
observed 789d9ab3249cf7cb7a9b16f6e7de83ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.966614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082146/publication.md
observed 47aa1f68b55467c55b4c39aa4e46c5d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.948691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082146/publication.txt
observed 317112a65f2696cd4213b7e3d369416f...
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.