OpenTechnical

OT-2026-000087004

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000087004) never changes.

Identity and time

Publication numberOT-2026-000087004 · never reused
Internal UUID01a0ae9a-9f2c-7ccf-953a-bd5c5c537ee4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087004
StatusPUBLIC

Content hashes

Canonical text0f4aa1042aad847b3351c9dc577564cddcc0e7928c5607466ece512843413eba
Markdownfab91d65afb348a51e614006dd5e6ecb621d39785276e0f9808e6e858aa42339
PDF
Publication pagecf1ec556e596fe932bb34099b80fb93ab5befb3a27b3275295a12055651fffe4
Manifest662a3a61eef5d16b688739ffa2af3eeb45bc73abad2242d1122196546fe67822

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
SignaturebOwUFnQE66BqcRTSXWLqP0F2k7qQyUoNn06pN9BUh3I3h84twkmA6KESU54zab/nz48NA7gvalbjk8yXTVoxDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:13.386444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087004
observed cf1ec556e596fe932bb34099b80fb93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.370342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087004/manifest.json
observed 662a3a61eef5d16b688739ffa2af3eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.352600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087004/publication.md
observed fab91d65afb348a51e614006dd5e6ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.301216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087004/publication.txt
observed 0f4aa1042aad847b3351c9dc577564cd...
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.