OpenTechnical

OT-2026-000041932

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000041932) never changes.

Identity and time

Publication numberOT-2026-000041932 · never reused
Internal UUID01a0ae79-e8a6-7b05-a14f-a9e260b69252 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041932
StatusPUBLIC

Content hashes

Canonical textbd5dc229888ffa23b154bb1b20e80daef2fd1191ee41bca8449232f3f168b292
Markdownba171a76bca2deac62af9e4e890fc4ac1824721904a39af572bc9b7df04e778e
PDF
Publication paged7d4d64fecdbab1bc64fdc9e187aa25367fc77cdb9fa1c8aed748114f5e826fa
Manifest572b71b20fe58e2d5a84dc1435fa83f7ec482d121277354e47a86dffcf6188f2

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
Signature991i8Cc3rnlzfhW+SC//QRHCWEXfP1jy6hIZj0a4alaNnbs52dHXMZxWuW9u0VG0YF/3ChNae14HFRJm9ve4Dg==
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

2026-09-17T11:16:49.185689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041932
observed d7d4d64fecdbab1bc64fdc9e187aa253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:49.169555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041932/manifest.json
observed 572b71b20fe58e2d5a84dc1435fa83f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:49.152242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041932/publication.md
observed ba171a76bca2deac62af9e4e890fc4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:49.134335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041932/publication.txt
observed bd5dc229888ffa23b154bb1b20e80dae...
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.