OpenTechnical

OT-2026-000027936

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000027936) never changes.

Identity and time

Publication numberOT-2026-000027936 · never reused
Internal UUID01a0ae72-a4a6-7fba-a273-a2709cf49bbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027936
StatusPUBLIC

Content hashes

Canonical textae7c22940716d5c64f0c08b61b7833e370f328c42c0fbf69941c67724983cb65
Markdown6eb1d5685ab21877231a252c85174f455808f1b960659a00fba56a89a40e8851
PDF
Publication page5cf00e05035a5a9cb6ffa4cdd9d0baed49bf7d6090335e6729f6e934b3d427c0
Manifestec21f60216c0d28ae9ec4c4fb761a2a0370703acf2bb1f8439a496f4a365599c

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
SignaturexowADlJGSRv/mJtroBjLKIJJ9SKMkOGQVMO81uVfL9Tt36oeTV//34mcEM2ofK9+1bpNG+0qHoRGGgIigMVkAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:07.035652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027936
observed 5cf00e05035a5a9cb6ffa4cdd9d0baed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.999620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027936/manifest.json
observed ec21f60216c0d28ae9ec4c4fb761a2a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.983520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027936/publication.md
observed 6eb1d5685ab21877231a252c85174f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.943442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027936/publication.txt
observed ae7c22940716d5c64f0c08b61b7833e3...
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.