OpenTechnical

OT-2026-000013707

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single 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-2026-000013707) never changes.

Identity and time

Publication numberOT-2026-000013707 · never reused
Internal UUID01a0ae6d-8de8-7926-87a6-b9faf6fb591d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013707
StatusPUBLIC

Content hashes

Canonical textdfdfd02b49fda394ee377d1b89a9dc21a857483256ee70c7bcde6ba9eb24d9ab
Markdown445fbe85c27b54429ce72b016fea44a72076ded9059eb3aab865120af77b6974
PDF
Publication pagece632bf3779fd2fd608effe02492728a11bc786d69cc67476b331bdb0a7bc856
Manifest15b0de6041885fff174563e2f5192b4a97d5f82fdef551fc26f791cad10ee30b

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
SignatureO7PqqJHd4j2bVuxx76qiRYrR0/rgSvC96wOrw1ocdmpq7Q8VyZoB+NxyTLqJR7nFDyvIDfc8wGR9KQ9trXTwAg==
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

2026-09-17T12:08:39.880324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013707
observed ce632bf3779fd2fd608effe02492728a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:39.861686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013707/manifest.json
observed 15b0de6041885fff174563e2f5192b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:39.841691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013707/publication.md
observed 445fbe85c27b54429ce72b016fea44a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:39.823209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013707/publication.txt
observed dfdfd02b49fda394ee377d1b89a9dc21...
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.