OpenTechnical

OT-2026-000081119

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000081119) never changes.

Identity and time

Publication numberOT-2026-000081119 · never reused
Internal UUID01a0ae96-b977-728a-b96b-d197f01771ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081119
StatusPUBLIC

Content hashes

Canonical text772727031078cc98089b60471c56767a26f4fb98c79f9de1d8c56b4e75eccc22
Markdown477f514bd3bc48a173de92a93f87970eda50b02557dd401ad87f07a7af501617
PDF
Publication pagef4b1610072a9a97fc052c87a1102d75e35442dc8febb971614f5869f71dabb62
Manifestd8581ad23fdb3200de23d48fe72f694c588905acc0bd7276c3a08bc192056f51

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
Signaturedq1KTYTYo1BOAQEeX0epho8seBXNVGSHnqU7elSkgFi4G850SDQDD1w3FZsOfY0b9BkT2rOr/ljrXkmkS9IKAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:25.748021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081119
observed f4b1610072a9a97fc052c87a1102d75e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.731436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081119/manifest.json
observed d8581ad23fdb3200de23d48fe72f694c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.713325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081119/publication.md
observed 477f514bd3bc48a173de92a93f87970e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.696174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081119/publication.txt
observed 772727031078cc98089b60471c56767a...
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.