OpenTechnical

OT-2026-000023615

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed 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-2026-000023615) never changes.

Identity and time

Publication numberOT-2026-000023615 · never reused
Internal UUID01a0ae70-aed3-7817-bad5-4d4e350bc515 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023615
StatusPUBLIC

Content hashes

Canonical text48a0db7ebeb9bbe3c2e0722f764515e2aa03513f4ddcfe9b96c7e349883eff1a
Markdownfd40201d5249c816ca43b929023b28428c99aa17690af3351d4b0d2a10046597
PDF
Publication pagedb582cbe459564a7da9053e83ed166ef6570ec9b92fd3987e539658aad4b0a22
Manifest2b4f47027c78007d23a255049a93424bfdd0d9efc4e17cbb3983c1a5c69d25ee

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
Signature78BHHVoB5iijzE2VJKCG20fxHI+mLUOzH3tc519C0xVjB6EZff/OgOLU1aeTR9/nKxSH9RDbWyPqBM6rObF8AA==
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

2026-09-17T11:49:49.135183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023615
observed db582cbe459564a7da9053e83ed166ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.118976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023615/manifest.json
observed 2b4f47027c78007d23a255049a93424b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.093891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023615/publication.md
observed fd40201d5249c816ca43b929023b2842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.077563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023615/publication.txt
observed 48a0db7ebeb9bbe3c2e0722f764515e2...
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.