OpenTechnical

OT-2026-000026949

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000026949) never changes.

Identity and time

Publication numberOT-2026-000026949 · never reused
Internal UUID01a0ae72-3452-75a8-bf3c-84134c40dd46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026949
StatusPUBLIC

Content hashes

Canonical textde1540a14be2e2768805cd565b15d5b617e154316c0d5231bf85f2e86ed5d43b
Markdown965061c9ff873425306afe7b7f72bf98f7e4b57b4257a47293cadacfdb354ae5
PDF
Publication pagedbb22df6dd6926a58c8300dd7c185f462a83f5c4005a9e9f7966cb80d0147a06
Manifest89c0d3e9b76b1f512abb1902525f0237d4099be7687dc9bfbd0c340ca65c2cc5

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
Signaturex17elyLfLGSNdsjd3495SC6k9cGabvZNxfWc895GfsRlLOie5/IMMRLfzl4KtMt5RDJSR/Uebk5VyrvyPh1GAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:34.148413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026949
observed dbb22df6dd6926a58c8300dd7c185f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.130956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026949/manifest.json
observed 89c0d3e9b76b1f512abb1902525f0237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.114711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026949/publication.md
observed 965061c9ff873425306afe7b7f72bf98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.096241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026949/publication.txt
observed de1540a14be2e2768805cd565b15d5b6...
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.