OpenTechnical

OT-2026-000046743

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000046743) never changes.

Identity and time

Publication numberOT-2026-000046743 · never reused
Internal UUID01a0ae7e-d0f3-7874-b939-8c54c6128f14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046743
StatusPUBLIC

Content hashes

Canonical text9f104ac22b269e9514830c97afb2dbb4fff77d0f519acc26dccf99d67309665f
Markdown0097cb5af0ce3e03fde0260e65719513e59397e8284a36222dbcb2e4b8fd623b
PDF
Publication page9a9af8140b09ed01ff1c950810a00457ca049ff7a016550356b1bc6cf019ab84
Manifest1744f1b6ce8c08c809e96a4fff177a7e04114fcabe9fc1d7ace781ee45bff662

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
SignatureDkBaDsGx0eoGI/4Bp7uTQP13Zcw33eOKq2mv/B2v5LChY8+RF3hoj3ojUd70rAgFzSMj3OQ4aH19PnBympIcBw==
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

2026-09-17T11:06:48.376172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046743
observed 9a9af8140b09ed01ff1c950810a00457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:48.359986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046743/manifest.json
observed 1744f1b6ce8c08c809e96a4fff177a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:48.342161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046743/publication.md
observed 0097cb5af0ce3e03fde0260e65719513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:48.325309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046743/publication.txt
observed 9f104ac22b269e9514830c97afb2dbb4...
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.