OpenTechnical

OT-2026-000049653

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000049653) never changes.

Identity and time

Publication numberOT-2026-000049653 · never reused
Internal UUID01a0ae81-8fee-74e7-9b8d-dcc005d83f8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049653
StatusPUBLIC

Content hashes

Canonical text35964238970b77af4e9b293152dccaf74cb8c9a50e82aadcc6424a53eae0384f
Markdown4c9a091ae720d0ae4b530946778fcbaadc918cf86d030657f0f21944a49d9ee1
PDF
Publication pagef5cd2200febf51a745ef76756261ab6408d8430a0888df97a869f1ee88056903
Manifestd81bc36f5f5b94e00dd3b67f66f3b01e49b064fac7acda1ec5440ec83389ee1f

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
SignaturefjpzAAy7BOzk57/9uA2JdGXWjPP+r3Vm2h3yKsTBBvHEsBqTJQmyDcHXhDXBvzV7Y7UqD6paaAV1WcHixrDrBg==
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

2026-09-17T11:02:39.163517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049653
observed f5cd2200febf51a745ef76756261ab64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.145526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049653/manifest.json
observed d81bc36f5f5b94e00dd3b67f66f3b01e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.128537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049653/publication.md
observed 4c9a091ae720d0ae4b530946778fcbaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.109833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049653/publication.txt
observed 35964238970b77af4e9b293152dccaf7...
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.