OpenTechnical

OT-2026-000012203

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000012203) never changes.

Identity and time

Publication numberOT-2026-000012203 · never reused
Internal UUID01a0ae6d-39f5-7565-b82b-abac477b2636 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012203
StatusPUBLIC

Content hashes

Canonical text5e97bdd9e34ac17da0e65411d333a6bca8041f3aa5c86f8b6653d9f00a129643
Markdownca885d5d9df7fa286a9a143e8f88ed686dc43c52d03e8ca46bd53354790fa44a
PDF
Publication pageae8a10079d7fe1a98d97467282c365715a2a0052c91987c290a2187527be004c
Manifestd7707ba05ee718fc4a890d847859fe750236fdd0ea51b18635ccce345f9bc783

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
SignaturePtLito9zreoUJ50fp+ydYRwoFy/2MzYU4lS2ahzXDEgWFC/s4aSgFAZettXFNjNQKFaN5iZdlo0WCnYBLiBSCA==
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

2026-09-17T12:11:06.886010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012203
observed ae8a10079d7fe1a98d97467282c36571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.869616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012203/manifest.json
observed d7707ba05ee718fc4a890d847859fe75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.849179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012203/publication.md
observed ca885d5d9df7fa286a9a143e8f88ed68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:06.832515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012203/publication.txt
observed 5e97bdd9e34ac17da0e65411d333a6bc...
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.