OpenTechnical

OT-2026-000011725

Publication integrity record

Single cup vacuum gripper, common isolation valve, single 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-2026-000011725) never changes.

Identity and time

Publication numberOT-2026-000011725 · never reused
Internal UUID01a0ae6d-1940-701f-a76f-65e77210f43b · 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-2026-000011725
StatusPUBLIC

Content hashes

Canonical textffbf1444278cd645c223114e2ba9d166a7e391f0e1db044c7e930bf415a12dba
Markdown883513e6dc376f3bb8409c647a5f512b2baa135435560d8e9ef1d4265660ea95
PDF
Publication pagea11288e3e6c16024e20f8f3253da29a483d0cf81c2697b6f42879d420a6916c1
Manifest3ee7b6e9eeac133ce7fb7bedf2ff2a7ca07e417c00d421b1129c9d5035db5f3b

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
SignatureMuYJAP+SDeI6doKvEIB6jyo9Rn63nr/pLgl1uaAvotPvIWvzxPTTctRm7OgB4s5V3JIhJQFFwN0Ko/IFt4xSCg==
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

2026-09-17T12:12:20.415857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011725
observed a11288e3e6c16024e20f8f3253da29a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.397482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011725/manifest.json
observed 3ee7b6e9eeac133ce7fb7bedf2ff2a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.378761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011725/publication.md
observed 883513e6dc376f3bb8409c647a5f512b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.359674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011725/publication.txt
observed ffbf1444278cd645c223114e2ba9d166...
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.