OpenTechnical

OT-2026-000011760

Publication integrity record

Single cup vacuum gripper, common isolation valve, 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-2026-000011760) never changes.

Identity and time

Publication numberOT-2026-000011760 · never reused
Internal UUID01a0ae6d-1941-792b-83e0-5051782cefb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011760
StatusPUBLIC

Content hashes

Canonical text7e4acd79add7af514c24fac3da1731da3a03ffd9a1a0b73fb64f841f947a0b41
Markdown42c8d19c6cf44841c88032b07fe09965f08b20ce461455cb811b1ccd1feb75d8
PDF
Publication page465069129284b7bf14f66cf5a679f48116423030ac1bf2931654450dc079699d
Manifest48392068560191c634fb14550114e6166b1f39d150d29db00470b1cee9b3612c

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
SignatureMQRf9/y0qCudXz/pNOwcvUl94rLy5ZS/Lf3x8KauqwLuWWCuxkeo8CmHxfWYlbwkd4VfIPT/tC+S4ajQtyoZCw==
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

2026-09-17T12:12:28.244572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011760
observed 465069129284b7bf14f66cf5a679f481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.226792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011760/manifest.json
observed 48392068560191c634fb14550114e616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.208499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011760/publication.md
observed 42c8d19c6cf44841c88032b07fe09965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.189301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011760/publication.txt
observed 7e4acd79add7af514c24fac3da1731da...
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.