OpenTechnical

OT-2026-000027193

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000027193) never changes.

Identity and time

Publication numberOT-2026-000027193 · never reused
Internal UUID01a0ae72-3454-7086-86d7-ace512188e31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027193
StatusPUBLIC

Content hashes

Canonical text69536141f0e666d98a25b714207df45faa47df08aced56f77e00ab1b8cecda8a
Markdown07a6d1782a8d4658f3ada06000697f6c3d7783527ae6c3352501e68b420ad677
PDF
Publication pageac2c1ead50550a931773b5803debf9517c9bfc9e050e1dc17120aaa31a8f7cdf
Manifest59cf42147b7a0e2e7d3c85bb9380131432fd2b54615323c33fd8402e9eb5da1a

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
Signatureooaxj43ze8jjyPX2qFbM9OLc66L/+PUKgQdQUn+kkWNapCAZuKtpr8CHBdEm4hPPRWSsEbm5KGmpNj0aZBB1Bw==
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

2026-09-17T11:44:04.920858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027193
observed ac2c1ead50550a931773b5803debf951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.902809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027193/manifest.json
observed 59cf42147b7a0e2e7d3c85bb93801314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.887217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027193/publication.md
observed 07a6d1782a8d4658f3ada06000697f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.870616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027193/publication.txt
observed 69536141f0e666d98a25b714207df45f...
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.