OpenTechnical

OT-2026-000042634

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off after set-down

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-2026-000042634) never changes.

Identity and time

Publication numberOT-2026-000042634 · never reused
Internal UUID01a0ae7a-c0ce-7a7b-a16f-6e15d3cd56f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042634
StatusPUBLIC

Content hashes

Canonical text67284e111ab98f2b570a875579af0b2dff9bdb2853055f1ae3a8bf68477ee146
Markdown095adff34d1dd9f02f692bf2a113a78610fff2243d2ca8b4e36779b81193a343
PDF
Publication page4424b52b3e3e5a5ebbe3a0922c98110755bd8f64186de7b12cdd172bdec0d221
Manifest1c7decf403dac78308f5dbedf2154cc7b38e89d0014b4e7160abe5e390c4299a

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
SignaturerpB/mX1wI0IasewzAGShJrFrKiBAEnDWx+kFNRPQN0MElRsa3r1dXnjCgbOJAVsjtzTBT2ETzDk16M3SJ6atDw==
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

2026-09-17T11:14:22.165544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042634
observed 4424b52b3e3e5a5ebbe3a0922c981107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:22.147997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042634/manifest.json
observed 1c7decf403dac78308f5dbedf2154cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:22.127487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042634/publication.md
observed 095adff34d1dd9f02f692bf2a113a786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:22.108134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042634/publication.txt
observed 67284e111ab98f2b570a875579af0b2d...
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.