OpenTechnical

OT-2026-000102052

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000102052) never changes.

Identity and time

Publication numberOT-2026-000102052 · never reused
Internal UUID01a0aea4-50f2-79dd-bd32-b8959c05b8c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102052
StatusPUBLIC

Content hashes

Canonical text8ee22650ade9d5cf37c98ce92c3ce28c8a0ab639f8d01d4e13125541438a507f
Markdownbd8a76853b27125494355fe4f6b073c7133726c160d07f79b2bc8a8b48d047b8
PDF
Publication pagefca235e41ae60732148e6205d9106d23dacfe918bea49ea279dee84fef9f863a
Manifest0b8ad625def00673d4a49a8a7e183dd139a639f9cdc1b180b071cd67af3ebbb8

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
Signature7xWqamB0EtLhFUq9j3QzKHv/xPSo612tP9haFA2a0+JIGph+3OT9BRVLEx7nVSQoRPPvbGaFuHilVn3QUD2YCg==
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

2026-09-17T09:25:11.560228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102052
observed fca235e41ae60732148e6205d9106d23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.543996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102052/manifest.json
observed 0b8ad625def00673d4a49a8a7e183dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.524934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102052/publication.md
observed bd8a76853b27125494355fe4f6b073c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.507772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102052/publication.txt
observed 8ee22650ade9d5cf37c98ce92c3ce28c...
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.