OpenTechnical

OT-2026-000023117

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained 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-2026-000023117) never changes.

Identity and time

Publication numberOT-2026-000023117 · never reused
Internal UUID01a0ae70-7266-7a89-aa7a-173fa11ff49d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023117
StatusPUBLIC

Content hashes

Canonical texte7aa03e460f16274f425e0add0cfe8cce53f87038188725e0bd89ec8d20eeacc
Markdown3960642c7c367b4eeda5dd7476889b1e2d5e610b3e48e2abdec81916a1bea200
PDF
Publication page298770ca0576c13d27fec0f071fe5e947bd1cc2d30868084b8311622b6a15e58
Manifest6e255a28471bbcc8a4490fce7e0aa921f5e067d4a522e5c62662cc08fcc80a1d

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
SignaturesYYp7gWjqQLr7rkz++FcxpaULaVsEWHVjtp5/l3WXC17+gSWrlpneVcwWT3IDzHtU36QhdZimZI7m/jPiTDHBg==
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

2026-09-17T11:51:02.211871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023117
observed 298770ca0576c13d27fec0f071fe5e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.192567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023117/manifest.json
observed 6e255a28471bbcc8a4490fce7e0aa921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.174068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023117/publication.md
observed 3960642c7c367b4eeda5dd7476889b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.155911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023117/publication.txt
observed e7aa03e460f16274f425e0add0cfe8cc...
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.