OpenTechnical

OT-2026-000030180

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained 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-2026-000030180) never changes.

Identity and time

Publication numberOT-2026-000030180 · never reused
Internal UUID01a0ae73-e500-7400-a9b5-ac695d57613c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030180
StatusPUBLIC

Content hashes

Canonical text830c31880d17d5bb8775185a802c14430015cff367cdfb550ad56a9e76205339
Markdown67c1312974da8edff47f557e1d2fd4de3bcf354339526affc5c5a3e7970b3dea
PDF
Publication page5f20fbb79de14a73cf66ab34a04b88933e193cc338683bfe976e5a1bc60dc510
Manifest40e96e0890545f92549927573dbf69d218cdeead4a95bb8ffba1c9415bda41f3

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
SignatureMKIPZ8nvb3gDNX0Fh+pjpGnHv8FfVyvyXu/k/mYI6Dvgg59V+Xw/xRZ4X2e+Zur5jqkBuDzInP19tLXeIMq/DA==
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

2026-09-17T11:40:32.585826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030180
observed 5f20fbb79de14a73cf66ab34a04b8893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.565504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030180/manifest.json
observed 40e96e0890545f92549927573dbf69d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.545750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030180/publication.md
observed 67c1312974da8edff47f557e1d2fd4de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.527473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030180/publication.txt
observed 830c31880d17d5bb8775185a802c1443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.956996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030180
observed 5f20fbb79de14a73cf66ab34a04b8893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.936212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030180/manifest.json
observed 40e96e0890545f92549927573dbf69d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.919286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030180/publication.md
observed 67c1312974da8edff47f557e1d2fd4de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.903872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030180/publication.txt
observed 830c31880d17d5bb8775185a802c1443...
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.