OpenTechnical

OT-2026-000103935

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000103935) never changes.

Identity and time

Publication numberOT-2026-000103935 · never reused
Internal UUID01a0aea5-15e7-7d30-b94a-84d1cc2abfe4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103935
StatusPUBLIC

Content hashes

Canonical text3e8451d4f72af4dfc0a9b587ddc880f9e6185f551244a9ab9306ffd08cbf16c0
Markdown161267588844c461cbd6685455b89cc5fa4d17bb8339d0d5ba74e6a4898170ec
PDF
Publication paged80aa7afa6f44f6d7345cd9e9dfc5d10903258e7f2fb289a40cd0763e80e8c3d
Manifest9b4f754274b695009c455d76682f55480bcab78e9fdaa3afac16fa2d7d5c6322

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
SignatureSxrVvA4EdxddhjqMnPpHaD6uVCBwdNSiuo41lf4/8rh/ClgOT5JV/AW8+ff0IxEBs6b9kILsMnWfIoI5GooiBg==
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

2026-09-17T09:21:56.030612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103935
observed d80aa7afa6f44f6d7345cd9e9dfc5d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.014095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103935/manifest.json
observed 9b4f754274b695009c455d76682f5548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.996797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103935/publication.md
observed 161267588844c461cbd6685455b89cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.979522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103935/publication.txt
observed 3e8451d4f72af4dfc0a9b587ddc880f9...
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.