OpenTechnical

OT-2026-000031965

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-2026-000031965) never changes.

Identity and time

Publication numberOT-2026-000031965 · never reused
Internal UUID01a0ae74-bad2-7664-8fbf-3a01e24d3553 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031965
StatusPUBLIC

Content hashes

Canonical text08ddbce73edadb2cff1e122cf61965af365b22db8571fa1b1ffabdb88846d3f8
Markdown29ffea57d32615a5e5f6c09ae9b217f75dfb215b2a8295b9cf8cb497ef02bf58
PDF
Publication pagec749361871d32b0564b8cea9cf5db6ef31bbc75c793bd42ff3095545980ca5ed
Manifest8f4dafecd76678afd3598fc7429bdfd5502251ad0687c84908cd5c9fcde2cef3

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
SignatureiE1Rwc/gy61yf5tDjdChDcQctzPbR4Jst+ueWGlA9wqUtTFoYBfp75TsAGdSMWmwX4UUucRIPqDsbvJRGdwxDg==
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

2026-09-17T11:35:15.461366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031965
observed c749361871d32b0564b8cea9cf5db6ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.445158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031965/manifest.json
observed 8f4dafecd76678afd3598fc7429bdfd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.427006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031965/publication.md
observed 29ffea57d32615a5e5f6c09ae9b217f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.409776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031965/publication.txt
observed 08ddbce73edadb2cff1e122cf61965af...
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.