OpenTechnical

OT-2026-000044191

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000044191) never changes.

Identity and time

Publication numberOT-2026-000044191 · never reused
Internal UUID01a0ae7b-d67b-7ea9-b47a-372bc42de908 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044191
StatusPUBLIC

Content hashes

Canonical text3f407abec174d4ea57dc25371ab3e279bbc45175a93db60fa257a3b94b1934b0
Markdownfc72b10e4c563fef667424c4fd518fa49b4e6475121e0d9ab83f26a4b782e7c8
PDF
Publication pagebbb613c6c6941989101d2b912f58e69409d35dffc61b13b5ac8b4a34e8753cf0
Manifestc5270d3cd954f3183d699bd84993f654f447d0a46404a449fbc286dd9a1a3683

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
Signaturen7jvljlZXQMAN6KL8NrWREd3ogZMlJLxW2XSthgZ13MbDjzT7C3eOfghDrKA3Xz1yU77stX2AmwSjkNvq68KBg==
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

2026-09-17T11:12:44.313827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044191
observed bbb613c6c6941989101d2b912f58e694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.287976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044191/manifest.json
observed c5270d3cd954f3183d699bd84993f654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.262300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044191/publication.md
observed fc72b10e4c563fef667424c4fd518fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.177170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044191/publication.txt
observed 3f407abec174d4ea57dc25371ab3e279...
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.