OpenTechnical

OT-2026-000029048

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000029048) never changes.

Identity and time

Publication numberOT-2026-000029048 · never reused
Internal UUID01a0ae73-2a9f-7b26-bc44-6dc335d142ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029048
StatusPUBLIC

Content hashes

Canonical text051717dc756163b993e0099a17259016aa3710dcb476494e1d6d227525dfb897
Markdown17d6363497217b43933b7b10eb0a2c07cba9aada8bd3aab8785dc70112d7d71e
PDF
Publication page1ae893264e16609cf92ee9a29d9e56eb666bb0a063800dbc5026931775ba9372
Manifest26fb2919bcd134ac4db9ab2c0ce7e44a2c7cf87e477f29609d1db7798b2dd07d

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
SignaturekCJI7dgoDp53y644axkP7whfkSoKtV3PL0wqEpCF89nPKvgyvjzRpmFbgLxZ7Zb42MGbRDHb2Im9wIVmpaXSCg==
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

2026-09-17T08:20:41.447548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029048
observed 1ae893264e16609cf92ee9a29d9e56eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:41.430551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029048/manifest.json
observed 26fb2919bcd134ac4db9ab2c0ce7e44a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:41.287284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029048/publication.md
observed 17d6363497217b43933b7b10eb0a2c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:41.267023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029048/publication.txt
observed 051717dc756163b993e0099a17259016...
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.