OpenTechnical

OT-2026-000027484

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-2026-000027484) never changes.

Identity and time

Publication numberOT-2026-000027484 · never reused
Internal UUID01a0ae72-6998-750f-82b8-f2bfed573f6f · 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-2026-000027484
StatusPUBLIC

Content hashes

Canonical text2116e03424b67ee1fd73d5a3c03e6755fb1dbef492ca1abfd872de7167dfcc26
Markdownb7df6f217d26ec0b09b823f158abc5464c24545cdce042220992ad4ac37952a5
PDF
Publication page8a5b17d80523052020bd6ccc66133bc90f6f5e6d903ffb4299b063dd9b603a19
Manifest1e50aa3f1dc81dd3887cdb1419f7947c36048727949ae14d578907a5064cf31f

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
Signaturef+YcbotloOqdh730w+6N5C+nfrWUNrg4ICNefrDFWXXMO7ReDv6wP1cvdNa5vtYEFxlPR/GyMKR7/zw0w3jsAg==
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

2026-09-17T11:42:56.925376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027484
observed 8a5b17d80523052020bd6ccc66133bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:56.907803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027484/manifest.json
observed 1e50aa3f1dc81dd3887cdb1419f7947c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:56.888941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027484/publication.md
observed b7df6f217d26ec0b09b823f158abc546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:56.871290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027484/publication.txt
observed 2116e03424b67ee1fd73d5a3c03e6755...
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.