OpenTechnical

OT-2026-000014859

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000014859) never changes.

Identity and time

Publication numberOT-2026-000014859 · never reused
Internal UUID01a0ae6d-d094-7cc8-beb6-2adc9093f0bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014859
StatusPUBLIC

Content hashes

Canonical text02349a5cd3f0e1c1cf24f1d4729f0b929a65fcb1810c8a7bb8353dade78f7722
Markdownaacbcd2bd42ab9797642e22f815f114585f9ab3407126a53992ffc140746834d
PDF
Publication page8a922d107c3797a0c7d6da907c9c5df2ef741e4cf9e4e1d56e0f5b288f426d13
Manifest0feb7602157a8800854cb8afcd41cf71b735b0cb2c91bbfaaa62e1655809e7ec

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
SignatureP+1fqyMQMgTob96BPLCF1Wn9ahtIgYOAn0hpxEmh+RbOPqo2sCK08re9l7s66xKN4jrFHVW4NbpCTCYyYwEKDQ==
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

2026-09-17T12:06:46.600937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014859
observed 8a922d107c3797a0c7d6da907c9c5df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:46.582610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014859/manifest.json
observed 0feb7602157a8800854cb8afcd41cf71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:46.563498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014859/publication.md
observed aacbcd2bd42ab9797642e22f815f1145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:46.545390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014859/publication.txt
observed 02349a5cd3f0e1c1cf24f1d4729f0b92...
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.