OpenTechnical

OT-2026-000030865

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-2026-000030865) never changes.

Identity and time

Publication numberOT-2026-000030865 · never reused
Internal UUID01a0ae74-3fb5-71f1-a2b9-358e436571b4 · 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-2026-000030865
StatusPUBLIC

Content hashes

Canonical text095883b1aeb1d7fd5ba4a9669208fe75d090da863f4fe6b8f2d6f2d1afc31b26
Markdown8e8c5efdbdfbe6018ca3de2a6ad827d6c4e5190be7f69bacd89ffbede713bc90
PDF
Publication page360fa91e2471afb6bd6e35f6dfce5d75623f1937d82c6ad2861d2093da705e2f
Manifest37fcbfaa49f5627d7efb1a1cbd5f9b8a703847b3a1549ad7629e0f2549456c47

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
SignaturemTbYeZ1bn4B5aIX1Zjr6U0nWtQW0/P8AmAuxhm0LiYFw6273hlJwPqTW9cxOJaQd95TRtWknPA9X9lw5gl6CBA==
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

2026-09-17T11:36:33.907195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030865
observed 360fa91e2471afb6bd6e35f6dfce5d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.889103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030865/manifest.json
observed 37fcbfaa49f5627d7efb1a1cbd5f9b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.871528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030865/publication.md
observed 8e8c5efdbdfbe6018ca3de2a6ad827d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.831064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030865/publication.txt
observed 095883b1aeb1d7fd5ba4a9669208fe75...
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.