OpenTechnical

OT-2026-000029360

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off 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-2026-000029360) never changes.

Identity and time

Publication numberOT-2026-000029360 · never reused
Internal UUID01a0ae73-5e20-7993-ba2c-80e5a53f4f6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029360
StatusPUBLIC

Content hashes

Canonical text80f02c39f8773ecd8ca0df6b1c040d4f6d8a4bb7860d0b7b14875f56a2150750
Markdowncdb405f4816c81a546900872bda9e2b1b8d690155d8b60b5febf960ef0e12cf2
PDF
Publication page183457df5aef5e2bf859673e1ef9a73e8de17f752989fb59dcde0c857dc54904
Manifest387a8e9411bd34bc8e1a8e4de334b37f2dc0691f0d3c9236e91436d7006d20db

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
SignatureOqd7eg+TLTMuNFBl5+RTbj1ubeGJcKIdww6Y5TSpkyy05yUAKqAH4KbfppsOLcU/7XMr/WV7Jv5sS+8IbClYAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:55.127577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029360
observed 183457df5aef5e2bf859673e1ef9a73e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.109506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029360/manifest.json
observed 387a8e9411bd34bc8e1a8e4de334b37f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.089244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029360/publication.md
observed cdb405f4816c81a546900872bda9e2b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.071602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029360/publication.txt
observed 80f02c39f8773ecd8ca0df6b1c040d4f...
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.