OpenTechnical

OT-2026-000045823

Publication integrity record

Foam pad vacuum gripper, four zone face, single 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-2026-000045823) never changes.

Identity and time

Publication numberOT-2026-000045823 · never reused
Internal UUID01a0ae7d-8f05-7baf-818b-fa2368dd1358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045823
StatusPUBLIC

Content hashes

Canonical textd1b1802ef7768ba123ce7ac64f62f1a7dff8dc9410bc8b0fc3f3fb8871e4ef4a
Markdown18c057c32cfbfcf51b941c93be4ce370c2e431e6fdf0cab1d5465d754dee17fc
PDF
Publication page0f1fc6df90d1fe63c38f53fe87ae8e2922291be8a8e5e4905a571f2092a4389c
Manifest95fd6ac9ec2676052bc654b8f575ab291e663033e79f493d7ea3f15771e5c98e

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
Signature6ilwC82H19aht0wcLM+kgRTkCrnV8LrpVKiMtMGEA1HUBy6gO8JTzsKitdRheeR44kNILo+I31ha3jjR2ndyDg==
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

2026-09-17T11:09:41.807618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045823
observed 0f1fc6df90d1fe63c38f53fe87ae8e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:41.790914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045823/manifest.json
observed 95fd6ac9ec2676052bc654b8f575ab29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:41.772472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045823/publication.md
observed 18c057c32cfbfcf51b941c93be4ce370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:41.753149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045823/publication.txt
observed d1b1802ef7768ba123ce7ac64f62f1a7...
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.