OpenTechnical

OT-2026-000060933

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000060933) never changes.

Identity and time

Publication numberOT-2026-000060933 · never reused
Internal UUID01a0ae8b-12f2-7b0d-9487-bdadda52fd84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060933
StatusPUBLIC

Content hashes

Canonical text851c981e3474fb1ac807f2b704fd73efcd308dc8057df5dde07fcfb7135d9d39
Markdown75ab73a77894fc22b83cc747203f556ea7a9cfd5a8c9344ab7d002f461d2ef34
PDF
Publication page1c1254d550af3cc08d1e341c7a03acc3b4ed7526c16f0aa72f19f186558c851e
Manifest87a9f0ceb3874495a6125c884bc09fd4a6105e7f3c350282cf4c0f272b4a786c

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
Signature9iCRpIHrRyZsV4BkbSw4D3aZOkyja/+hymCZhidz8OngrtwqLlKHvjmJKUsm44fgkmao9BI/wAipkfSh0CVeCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:12.275483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060933
observed 1c1254d550af3cc08d1e341c7a03acc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.259010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060933/manifest.json
observed 87a9f0ceb3874495a6125c884bc09fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.241659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060933/publication.md
observed 75ab73a77894fc22b83cc747203f556e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.223655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060933/publication.txt
observed 851c981e3474fb1ac807f2b704fd73ef...
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.