OpenTechnical

OT-2026-000013377

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000013377) never changes.

Identity and time

Publication numberOT-2026-000013377 · never reused
Internal UUID01a0ae6d-6fca-7da6-a5c9-55312bc2069e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013377
StatusPUBLIC

Content hashes

Canonical textc6638062f6c068771585200a081cfa39483c8dc494823a63604c7171c6814bb9
Markdownf610b9ef2b9062e52f02d70537de6d4543bbeec843ae592fe404fffcd358c1ba
PDF
Publication page50cfa6e9116e083b756eb225b0a2e7938288d721b4c99adcf5bbaa074d3e06c5
Manifest3b0eec52864b5a9b9dd3fcc6278c93cccb8ba094dca3160f6b11d16e0c8c7c09

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
SignaturewmfBp78+Q2wURwSS+SJNSR7qFef3vo+uE6k39bM59BCsvopdP21Oz13eb4L+rUZDFuHiDndR2Iyaul8hG5icCg==
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

2026-09-17T12:09:50.596891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013377
observed 50cfa6e9116e083b756eb225b0a2e793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.574799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013377/manifest.json
observed 3b0eec52864b5a9b9dd3fcc6278c93cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.555078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013377/publication.md
observed f610b9ef2b9062e52f02d70537de6d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.531900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013377/publication.txt
observed c6638062f6c068771585200a081cfa39...
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.