OpenTechnical

OT-2026-000099838

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099838) never changes.

Identity and time

Publication numberOT-2026-000099838 · never reused
Internal UUID01a0aea3-1473-7b89-9b5b-7af497e4a8c7 · 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-2026-000099838
StatusPUBLIC

Content hashes

Canonical text6d08d21095da9bf6dd553daef660b050c50152e0b0c2de1e64a4129e94d18c14
Markdowna91ce609db1cc0833e15d4a1449cc252885b49e2d281f4b97c50c385ea92b3c0
PDF
Publication page348576634ffd72a8c8bd87ba4c055ebd82ea606e2d7be831532c642d54e0d982
Manifest9aba528ae60d3397209955acffdefcb597cc09c96c0df2459ab73ce1ad6e8d8c

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
SignatureaPBzgwM+KrqCWyKAABxan9/ljpRFWMojuDTsz1etgYLn5KiGoMZFEoXCVCR7lfC+Y+qb0Elol4AsEX9RfoivCQ==
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

2026-09-17T09:30:20.347204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099838
observed 348576634ffd72a8c8bd87ba4c055ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.325525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099838/manifest.json
observed 9aba528ae60d3397209955acffdefcb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.307910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099838/publication.md
observed a91ce609db1cc0833e15d4a1449cc252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.288376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099838/publication.txt
observed 6d08d21095da9bf6dd553daef660b050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.437189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099838
observed 348576634ffd72a8c8bd87ba4c055ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.419445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099838/manifest.json
observed 9aba528ae60d3397209955acffdefcb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.401671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099838/publication.md
observed a91ce609db1cc0833e15d4a1449cc252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.382830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099838/publication.txt
observed 6d08d21095da9bf6dd553daef660b050...
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.