OpenTechnical

OT-2026-000027492

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000027492) never changes.

Identity and time

Publication numberOT-2026-000027492 · never reused
Internal UUID01a0ae72-6998-7bd5-b4a5-8fec34014e4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027492
StatusPUBLIC

Content hashes

Canonical texteec343b01c258dfed777176fbaccd48119bb3b9a239fffb8a8f664732653d958
Markdown9392f8aa26f2617e8f629e6481025d293a6ff6d305506c5b3c9465ceac95ff61
PDF
Publication page0c432928c9f21d712ab9086867581f1f6c2dea8c62a868dfa4d0c3536600e41d
Manifest26022bfdc75a0adbfa21826712e1e9108d3703057d2fcc8d63c5ecd7286a03cc

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
Signaturek2MPWOozW9uB1JVJa+ocuOREnNt0jdABOYr4gJnv1AWttgkVGW3FIzXESxW+bKbHn6g0BpqVG7skx3t+un+qCQ==
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

2026-09-17T11:42:57.586934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027492
observed 0c432928c9f21d712ab9086867581f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.569885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027492/manifest.json
observed 26022bfdc75a0adbfa21826712e1e910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.542414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027492/publication.md
observed 9392f8aa26f2617e8f629e6481025d29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.521128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027492/publication.txt
observed eec343b01c258dfed777176fbaccd481...
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.