OpenTechnical

OT-2026-000030877

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, pulsed blow-off after set-down

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-2026-000030877) never changes.

Identity and time

Publication numberOT-2026-000030877 · never reused
Internal UUID01a0ae74-3fb5-7586-a049-ba9f483b8efd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030877
StatusPUBLIC

Content hashes

Canonical texta9cd98d14bec0f5fe9b5b084ceb7e2ce363093c18b0c34997f9bc11dd6b65649
Markdownec367614aaaef89be326efef1fae0e2e066f4468f5d676f935335150d1583b4c
PDF
Publication pagef64d6c66c953f8d2e602178ba6578c3c01c32e79207605d2bab89a09da6056e9
Manifest3ef1708c613fff9fbab3fe90f97512c69e08e9500e72dfe30477c88fd5465bd9

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
Signaturec+7aAiZNcYqTvzw8gat1U6Jpm9Zc5yxkvl92AhkHDetVW5GC6a8dMuapNds7042TzUTy68KzQ5mDWOUrFplRCQ==
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

2026-09-17T11:36:36.819400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030877
observed f64d6c66c953f8d2e602178ba6578c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.800090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030877/manifest.json
observed 3ef1708c613fff9fbab3fe90f97512c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.781955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030877/publication.md
observed ec367614aaaef89be326efef1fae0e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.762981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030877/publication.txt
observed a9cd98d14bec0f5fe9b5b084ceb7e2ce...
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.