OpenTechnical

OT-2026-000029882

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000029882) never changes.

Identity and time

Publication numberOT-2026-000029882 · never reused
Internal UUID01a0ae73-ac48-79e6-84bc-8264cd088df2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029882
StatusPUBLIC

Content hashes

Canonical textddc4c0ffd7a9c06fc3a8d43b91c63139de4c3acf0996c9a2a34f3e901ee05341
Markdown4c78cf2595d16af1688ed3763c35a70a80aab9285f181a9fef20536cc1a39604
PDF
Publication pagefc183795ea8895114c0acfc6e56bb82002639221c04e2f220cba67bc475f4474
Manifest1cbd48736df03f408d64db15eced97e52b44a089c0c05a094ef29ac5de5ebfed

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
Signaturel/RAl1Q+616Oq1ZPrBXrF81vLJ+nAYKRH+NkhtIiCKXidWb4/a2BzTmztXT7cFPKpt8KA3NVcSQ+of8+bV74Dw==
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

2026-09-17T11:38:34.836209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029882
observed fc183795ea8895114c0acfc6e56bb820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.819826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029882/manifest.json
observed 1cbd48736df03f408d64db15eced97e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.804056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029882/publication.md
observed 4c78cf2595d16af1688ed3763c35a70a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.787234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029882/publication.txt
observed ddc4c0ffd7a9c06fc3a8d43b91c63139...
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.