OpenTechnical

OT-2026-000030244

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000030244) never changes.

Identity and time

Publication numberOT-2026-000030244 · never reused
Internal UUID01a0ae73-e500-72d6-9ce6-8a189d80775d · 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-2026-000030244
StatusPUBLIC

Content hashes

Canonical text031543c39c15180c1d2a0af20924c455f1e5d94aa54aa480b05eec2763d94526
Markdownd36f7d065c20721711b290811651f5784a04abad11ed7175c4c515e2064f8f2e
PDF
Publication page801e9682f334602edc71c9e6cbf5f4a081cef9a0294069f36fd7cee0ab3cfed3
Manifest321503d1ebb18d9146b64341279efc73c17424e7a8ac1da0c4edbd699bb90d5f

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
SignatureSvBED+g57qtO5km2DZpHFJMhHmVx5QR2sA/ICy42qiNlOTm+i98pxicAoBaRX+E/yubLZ32pCbrrF7YAFSzXAA==
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

2026-09-17T11:40:37.632010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030244
observed 801e9682f334602edc71c9e6cbf5f4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.615102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030244/manifest.json
observed 321503d1ebb18d9146b64341279efc73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.594557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030244/publication.md
observed d36f7d065c20721711b290811651f578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.568062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030244/publication.txt
observed 031543c39c15180c1d2a0af20924c455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.125555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030244
observed 801e9682f334602edc71c9e6cbf5f4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.108645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030244/manifest.json
observed 321503d1ebb18d9146b64341279efc73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.093016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030244/publication.md
observed d36f7d065c20721711b290811651f578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.074875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030244/publication.txt
observed 031543c39c15180c1d2a0af20924c455...
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.