OpenTechnical

OT-2026-000041752

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, pulsed 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-2026-000041752) never changes.

Identity and time

Publication numberOT-2026-000041752 · never reused
Internal UUID01a0ae79-e8a2-745d-a128-7a70a615746e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041752
StatusPUBLIC

Content hashes

Canonical textb8704bb5600a2c19c9945d47413404b632b84ba2d77385e4642af94664810d72
Markdown2964804ec7297af29d4cd9aa147998778637ad4a943e8cba5b03848b4a1e7eef
PDF
Publication page79738b7e19a88fa80192133dcd5b4a63c27074d3b247b51cd73767710c69f113
Manifest5aee1ecb5e71a9b75095b5c76856ee4853a06acdcec40f609eae74ad670d8245

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
SignatureEoAVDEJEeDiKzQxGIuvXgA0GbimFykSmT3psdGz+ilLAaViTlWbLNyRJRFyCiiFGJjzxOTiFpbyDT7nKtr/tDQ==
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

2026-09-17T11:16:35.829512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041752
observed 79738b7e19a88fa80192133dcd5b4a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.813619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041752/manifest.json
observed 5aee1ecb5e71a9b75095b5c76856ee48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.796587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041752/publication.md
observed 2964804ec7297af29d4cd9aa14799877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.779733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041752/publication.txt
observed b8704bb5600a2c19c9945d47413404b6...
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.