OpenTechnical

OT-2026-000032887

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000032887) never changes.

Identity and time

Publication numberOT-2026-000032887 · never reused
Internal UUID01a0ae75-4842-70da-96e8-214df3446384 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032887
StatusPUBLIC

Content hashes

Canonical textc3d7b524fea65173a133b04f2bbca0730503da505f9331b3e141bd5b3560bbca
Markdowneccbb4cba67222b84805b42021931cf3381eb12ac94d41e996fea7406357fea9
PDF
Publication page24b54b56733f72b6dde0708889e6ed4b81529bf9d89106aae047a118ad659420
Manifest20437d5bb5532983207a5ea8877c7a9b3bfeeca8f09fa23a274b432e150163c0

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
Signaturev8AK8uYLlN4j/KOMrUJpHjA0xsV53mmrXtukPqMYueIzoHIhceA9yCQ9InB64TvoxSrHvnCkA+CQK1mEHODPAQ==
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

2026-09-17T11:32:28.223853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032887
observed 24b54b56733f72b6dde0708889e6ed4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.205478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032887/manifest.json
observed 20437d5bb5532983207a5ea8877c7a9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.186669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032887/publication.md
observed eccbb4cba67222b84805b42021931cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.165542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032887/publication.txt
observed c3d7b524fea65173a133b04f2bbca073...
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.