OpenTechnical

OT-2026-000080630

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000080630) never changes.

Identity and time

Publication numberOT-2026-000080630 · never reused
Internal UUID01a0ae96-7e79-7f6d-91dd-5b1debf34df2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080630
StatusPUBLIC

Content hashes

Canonical text0b85dc930f1e8f4cbf0d870e99b75bad17fea58936115dc96d5cae94b1dbdd33
Markdown39bca1b38225b3dcf714aafefe4d0bc5c2fd3637153ce88567b8ebfc5c1a16d2
PDF
Publication paged591a35258b0152528a25e3b5b7f77114a03c3e7a610c46e6e589135b6b96dc5
Manifest7d3fbad7fee5e8fea05da4db3aad25b43b027885686062da948d5398f9a9c767

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
SignatureycJjblQ3Z+IbafPMGXriKmJd6FYuZWyCblQ7favTqsFKXSqLK6lMNy5LG//0WQqKh/gWjGtQ9oFaa0GDW/yzAg==
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

2026-09-17T10:03:17.053897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080630
observed d591a35258b0152528a25e3b5b7f7711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.031295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080630/manifest.json
observed 7d3fbad7fee5e8fea05da4db3aad25b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.007267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080630/publication.md
observed 39bca1b38225b3dcf714aafefe4d0bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:16.978601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080630/publication.txt
observed 0b85dc930f1e8f4cbf0d870e99b75bad...
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.