OpenTechnical

OT-2026-000086518

Publication integrity record

Foam pad 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-2026-000086518) never changes.

Identity and time

Publication numberOT-2026-000086518 · never reused
Internal UUID01a0ae9a-2c97-7548-b47c-cba7678674ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086518
StatusPUBLIC

Content hashes

Canonical textfbbabd11e871ef0788a09afdd13c6fa7a0d5936c6500142da8d89d72f4b2d212
Markdowne4cb4efd5f135cb669cec180269f601e43ce807c6b696dbe03944fafa1a649a4
PDF
Publication page2f2f460bac7b5deadfe1ca187cf1b01b184e3a6313c0922a6f2129ed5f3432e9
Manifest8a3e9ef0ce0bc1d769ca9a6d40691616746ce0ab5d1428da1898580a8f3e5307

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
SignatureLPJAui0TjKMOhpVKNTg6Yy7olKBFfHBcMKrur6kyoIWrjglBCy5tKQEm2Lgj3NeUP165tTjaNLISAGK38tRiAg==
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

2026-09-17T09:52:20.343538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086518
observed 2f2f460bac7b5deadfe1ca187cf1b01b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.326146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086518/manifest.json
observed 8a3e9ef0ce0bc1d769ca9a6d40691616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.306715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086518/publication.md
observed e4cb4efd5f135cb669cec180269f601e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.289805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086518/publication.txt
observed fbbabd11e871ef0788a09afdd13c6fa7...
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.