OpenTechnical

OT-2026-000027104

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000027104) never changes.

Identity and time

Publication numberOT-2026-000027104 · never reused
Internal UUID01a0ae72-3454-748a-a72a-71308e465ae8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027104
StatusPUBLIC

Content hashes

Canonical text839c3f3bc02bfdd1270bc7d8f46eaf001093f462c954a43df84b050f832b10a1
Markdown9eeba0fe88ed8698caaa6e6ae0d6e0ea966a23b1042790d79b9420b4a6ff65e3
PDF
Publication pagefcf9c3c5e7ada951b0d8ce140dd8864ec025281bda91bd82e234ce4f24d4d162
Manifestab2d23879abe179144b363e85baf3d4c6011d7f88df6b0f3e93addf4648745e2

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
SignaturehidAK8ge1dc20x83Ddxw3jQP65CrK5QjF0wmsfuzrPEyd+zVc8hg12DNDKuoh4/lyjkppnqMzKXMRmmIS3BUBA==
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

2026-09-17T11:43:52.447886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027104
observed fcf9c3c5e7ada951b0d8ce140dd8864e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.431691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027104/manifest.json
observed ab2d23879abe179144b363e85baf3d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.414741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027104/publication.md
observed 9eeba0fe88ed8698caaa6e6ae0d6e0ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.397792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027104/publication.txt
observed 839c3f3bc02bfdd1270bc7d8f46eaf00...
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.