OpenTechnical

OT-2026-000017567

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed 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-2026-000017567) never changes.

Identity and time

Publication numberOT-2026-000017567 · never reused
Internal UUID01a0ae6e-76ca-705f-a703-23dbf7e8f09a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017567
StatusPUBLIC

Content hashes

Canonical text491c64a1bb3e54972117cb20cc7d064d0473ab6c9d968b77c14a707946c3d3e5
Markdown54b396991b0f2dec4013ca4d2ae0d69f4f6db160003676e9b5073985da5e9845
PDF
Publication page0a35e9a8948c47f2c4c32969dc28aba20d517f0d518d836aacac9e2a82848384
Manifest5540d9a5b2791b15bd3beea9ec0b41dddec54824818fa5c6aaad39569c79e1ac

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
SignaturesLRAL7mq/wfPlqj7M86SHAAaHq2y3SB9hcv3jzqfubkfqOgdHEcgg5ko3qdBK6WrNyK7uqFWvfcHTgoerEyFCw==
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

2026-09-17T12:02:44.260257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017567
observed 0a35e9a8948c47f2c4c32969dc28aba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:44.243114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017567/manifest.json
observed 5540d9a5b2791b15bd3beea9ec0b41dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:44.226096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017567/publication.md
observed 54b396991b0f2dec4013ca4d2ae0d69f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:44.207205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017567/publication.txt
observed 491c64a1bb3e54972117cb20cc7d064d...
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.