OpenTechnical

OT-2026-000027028

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000027028) never changes.

Identity and time

Publication numberOT-2026-000027028 · never reused
Internal UUID01a0ae72-3453-73bb-b512-5cc40b89f818 · 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-2026-000027028
StatusPUBLIC

Content hashes

Canonical text723314a4b57c92ff434ed147a86cbdf4c0321adf606c1c545d86d764a3ebcef2
Markdown95178da42799e9d58cb5b8a788bae492e5d6e6d8443b4837efbcbfe221ac6b6d
PDF
Publication pageafe36b9a519e46333f5a895fc7f34edceae965c7d0457f0f800b8065394cc999
Manifest1956994b76c7b5cad3708844bb98cd75a7473d568cfe9c282baa16040c26bc07

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
SignatureglO2ZHCCHeIJPducbKQzjGa1XZ9OXqUqg8Es84th90j5iz+ylA0i3rXvbick+iwI5XXGlxoLQuDfeHOCDTK8Cg==
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

2026-09-17T11:43:46.831487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027028
observed afe36b9a519e46333f5a895fc7f34edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.812488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027028/manifest.json
observed 1956994b76c7b5cad3708844bb98cd75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.797073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027028/publication.md
observed 95178da42799e9d58cb5b8a788bae492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.779741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027028/publication.txt
observed 723314a4b57c92ff434ed147a86cbdf4...
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.