OpenTechnical

OT-2026-000030176

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000030176) never changes.

Identity and time

Publication numberOT-2026-000030176 · never reused
Internal UUID01a0ae73-e500-72b3-97f9-6e48ad292b29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030176
StatusPUBLIC

Content hashes

Canonical text2245f1a0eaf9ae7ade157cbde76904fc26a130f59b5ddf5697fa73cffa7a2c9e
Markdownddd4cc73232505cb32da4357bf5ea6a0510eb2640fafedab1985d97750ba71d7
PDF
Publication pagea95935a842ce346679cece840fce42562a947b3abef70fd8099b7a928455f37a
Manifest0cbc9217c9e7bab1a5210d9a6a8ff1c813dd860bcf14c3691c22a47c108c97c0

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
Signaturemaif9mtHVgnEUV3YyRWVLTO1Hi1PdPstT+bjreBSmAoRpguJmMidoidyzSZYJPuFppnGnhxdioASfF9qj8qkBQ==
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

2026-09-17T11:40:32.294802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030176
observed a95935a842ce346679cece840fce4256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.277907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030176/manifest.json
observed 0cbc9217c9e7bab1a5210d9a6a8ff1c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.259921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030176/publication.md
observed ddd4cc73232505cb32da4357bf5ea6a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.242058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030176/publication.txt
observed 2245f1a0eaf9ae7ade157cbde76904fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.665358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030176
observed a95935a842ce346679cece840fce4256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.647007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030176/manifest.json
observed 0cbc9217c9e7bab1a5210d9a6a8ff1c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.628983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030176/publication.md
observed ddd4cc73232505cb32da4357bf5ea6a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.612647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030176/publication.txt
observed 2245f1a0eaf9ae7ade157cbde76904fc...
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.