OpenTechnical

OT-2026-000062064

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000062064) never changes.

Identity and time

Publication numberOT-2026-000062064 · never reused
Internal UUID01a0ae8b-b8b0-78dd-b107-3834e0d642a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062064
StatusPUBLIC

Content hashes

Canonical textcb7c50583c7cf609a5d179520cd6e8698ad87ed19fd71731c0522574bb486375
Markdown86666bf1613d32e1df2904bae16213a00094bb61151198d67cd3384e98ceed98
PDF
Publication pagec7c02c4cc5fda2c43c4e0deb76e4c7284a2624d99da8bc5dd58c581540765b58
Manifestfa064ddca85bf3e22d25ff0e3bd46352167446fc3d980d07609c18971dd18732

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
Signature+hc8Diu/MhFzLJdqogzKwE5y//aLrZTTYghhaiOGSQ5H9W60pW+Ray9a7ltU8rot+DytIuy5wjLET1Q0RJk2Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:06.633851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062064
observed c7c02c4cc5fda2c43c4e0deb76e4c728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.613358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062064/manifest.json
observed fa064ddca85bf3e22d25ff0e3bd46352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.592275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062064/publication.md
observed 86666bf1613d32e1df2904bae16213a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.573087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062064/publication.txt
observed cb7c50583c7cf609a5d179520cd6e869...
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.