OpenTechnical

OT-2026-000034955

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000034955) never changes.

Identity and time

Publication numberOT-2026-000034955 · never reused
Internal UUID01a0ae76-6a1b-7a4e-920c-f1d91b17af1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034955
StatusPUBLIC

Content hashes

Canonical texta00c01b251a57a2ff413036d46656ca71c64a79fc05ce49d8b5c0168e5e930d2
Markdown6f2e28209524957eaa62b710ca322b3cfc0553604f80147e594a4f93cb14a8b7
PDF
Publication page85ae3e4ccc9dfebe23563e59f3de8d869f407c30c7b946c070ce0faa6a3c871a
Manifestc1642a199a4ffaa5eeca26f2042278907477cb3ed3194f63fce11ca02c177f0d

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
SignaturePRBWhAJdXtsDG3PQBfet0RuhspytRejLOwT8uayiXSvxQ6ujJAvNMDgTLzTj2K9CM0ChX6DBl/o3V9wcnSeVAA==
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

2026-09-17T08:41:22.993725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034955
observed 85ae3e4ccc9dfebe23563e59f3de8d86...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:22.749110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034955/manifest.json
observed c1642a199a4ffaa5eeca26f204227890...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:22.288513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034955/publication.md
observed 6f2e28209524957eaa62b710ca322b3c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:21.821580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034955/publication.txt
observed a00c01b251a57a2ff413036d46656ca7...
fetched by grabo-systems from 34.44.131.203, 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.