OpenTechnical

OT-2026-000048111

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000048111) never changes.

Identity and time

Publication numberOT-2026-000048111 · never reused
Internal UUID01a0ae7f-c424-718a-9cb5-69b75c4281a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048111
StatusPUBLIC

Content hashes

Canonical text798ce5e4c3717c58e432b1f4dace3b9dd84ae8ec368f61402f08fa10b925c66c
Markdown7135db384558260f21d8b59df93a51c1c652a387f3de6dacdf3f33b00346d43e
PDF
Publication pageec183fbb0538a8c87f7f5df2a959ba23306d61dd4cf9e36f830056bdba243b07
Manifest2286be9a2e8cac6986f89c8885defe098366fa0f50fec2dd8e87934f95005211

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
SignaturePxBB5HUV9ESMa6q9/nJJsuWgO6bqpxVKJWD03b7H2w1U3l4gfpesjzoBivnH88bGK+pov17KDEozU+D9jD4mCQ==
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

2026-09-17T11:06:08.422625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048111
observed ec183fbb0538a8c87f7f5df2a959ba23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.404112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048111/manifest.json
observed 2286be9a2e8cac6986f89c8885defe09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.386376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048111/publication.md
observed 7135db384558260f21d8b59df93a51c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.366561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048111/publication.txt
observed 798ce5e4c3717c58e432b1f4dace3b9d...
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.