OpenTechnical

OT-2026-000069350

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000069350) never changes.

Identity and time

Publication numberOT-2026-000069350 · never reused
Internal UUID01a0ae90-b529-7f0e-9b77-3b5da7d5fdf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069350
StatusPUBLIC

Content hashes

Canonical text9af2edfaee5508ddf6a46ce04b8d3786cf17070b8c58cd24c8c64c2ba4e99c57
Markdown7f5237a00b2e6c4a1661d1b816d6c010fd095c8f54286335380a8cdfb89a54c1
PDF
Publication page86c874d864a84e6ce8696ad654437d7fd6014e7ab13bd7e23a10dcd9134d0321
Manifest17a94a61fbdd0d9e916585a8c799bfd9cc03c06be27ba944831975d93077a5ff

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
Signature7wfO9p08zskdg0dS1VeFHqVM3ZSeREQaCErAhVHVD9L658qYsoWfJVOmOy4P8FzIct44BrAXNc4wy0Ym6N+LBQ==
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

2026-09-17T10:30:15.478810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069350
observed 86c874d864a84e6ce8696ad654437d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.460297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069350/manifest.json
observed 17a94a61fbdd0d9e916585a8c799bfd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.435905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069350/publication.md
observed 7f5237a00b2e6c4a1661d1b816d6c010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.417405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069350/publication.txt
observed 9af2edfaee5508ddf6a46ce04b8d3786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.403523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069350
observed 86c874d864a84e6ce8696ad654437d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.386064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069350/manifest.json
observed 17a94a61fbdd0d9e916585a8c799bfd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.368718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069350/publication.md
observed 7f5237a00b2e6c4a1661d1b816d6c010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.350810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069350/publication.txt
observed 9af2edfaee5508ddf6a46ce04b8d3786...
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.