OpenTechnical

OT-2026-000100055

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000100055) never changes.

Identity and time

Publication numberOT-2026-000100055 · never reused
Internal UUID01a0aea3-1474-7791-8734-12b896eb5fe4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100055
StatusPUBLIC

Content hashes

Canonical text40989b9b57a273050ed71cc4881cafca15faa2cb132af0bf7b0269670826057d
Markdown045b90bafea1bdbdb5210fa2dfadc921c779196aa3eb97267fb5780c4ffcef11
PDF
Publication page4477cd65d849cdca0a3cf5f7a2cbcc5692630e1d1327dbf9130f8afe008b85a9
Manifest0016f4c40811ddfde31e4f0ed2186522b226c7b9c6b16ae4e02daf180220b3ae

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
SignatureLtcyFq00z0kHyTpyv4uJC1EN0+jYpZAMPDYapUZ6wZLcDXBA94zHZcpZXw101JhFpC/dghbwWyDL5uqGZktACg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:59.827439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100055
observed 4477cd65d849cdca0a3cf5f7a2cbcc56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.809733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100055/manifest.json
observed 0016f4c40811ddfde31e4f0ed2186522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.791683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100055/publication.md
observed 045b90bafea1bdbdb5210fa2dfadc921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.774856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100055/publication.txt
observed 40989b9b57a273050ed71cc4881cafca...
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.