OpenTechnical

OT-2026-000087253

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000087253) never changes.

Identity and time

Publication numberOT-2026-000087253 · never reused
Internal UUID01a0ae9a-cd4d-7bc0-9acf-e19196cab327 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087253
StatusPUBLIC

Content hashes

Canonical text2582d5b3372e579516507eba16755b087df55f84114362e8e85db9693448954f
Markdown0c2b2bb6b7098bd3e1d9095ecf8afd46c63b82a880b7bb480f2e7b8164f754f6
PDF
Publication page8182a085eaf3f5b2259f5a4d7de5bd6fd4aa711253bae8659ea3cf0c91bc79f1
Manifestf3ab3dbf0254e00ef3c0203469db75faa05dd8fedec9c2485c0d35d773e33f3a

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
SignatureACVh/Ct+7vtiP5QcYSmKFINLORpYNbumKKzGZD3tmbAhaQBqql1k2DJVBrkGFvrXMthJEI5Z5kEuhbmfZ+FDDw==
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

2026-09-17T09:50:22.018276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087253
observed 8182a085eaf3f5b2259f5a4d7de5bd6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.000870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087253/manifest.json
observed f3ab3dbf0254e00ef3c0203469db75fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.982569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087253/publication.md
observed 0c2b2bb6b7098bd3e1d9095ecf8afd46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.966020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087253/publication.txt
observed 2582d5b3372e579516507eba16755b08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.945729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087253
observed 8182a085eaf3f5b2259f5a4d7de5bd6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.928984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087253/manifest.json
observed f3ab3dbf0254e00ef3c0203469db75fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.911783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087253/publication.md
observed 0c2b2bb6b7098bd3e1d9095ecf8afd46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.860612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087253/publication.txt
observed 2582d5b3372e579516507eba16755b08...
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.