OpenTechnical

OT-2026-000007269

Publication integrity record

Vacuum cup gripper, three zone face, two outlet manifold, pump fed, vented before set down

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-2026-000007269) never changes.

Identity and time

Publication numberOT-2026-000007269 · never reused
Internal UUID01a0a978-c10b-7f20-b163-fa93fa32d3ef · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:38.382089Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007269
StatusPUBLIC

Content hashes

Canonical text7e41b8f36705e2daa60e0c3cb2fd3bdad3f34ca60461447cac991bb8a2259f3e
Markdownca922940815e4bc5b54b65b262be9e98d3211af770fdf2ca9fd49313eefda413
PDF
Publication page14f47c81b4013bc2746bcb98705fc407159dccd2b413808a089b70e840cbb3d8
Manifest2f36962cd3694513963031ad240ecd14c09ea8d5739a7b1b955b9d54b8e2f58b

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
SignaturegdgWCRcH2QG8tSAZGHzRb/1OKa0lGWPTwv11UuYQzIehJLb6E2pws2PBOOSdNLMCVgJAWikgeaNqkMiRglihDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:09.492154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007269
observed 14f47c81b4013bc2746bcb98705fc407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.477452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007269/manifest.json
observed 2f36962cd3694513963031ad240ecd14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.464671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007269/publication.md
observed ca922940815e4bc5b54b65b262be9e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.450684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007269/publication.txt
observed 7e41b8f36705e2daa60e0c3cb2fd3bda...
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.