OpenTechnical

OT-2026-000013418

Publication integrity record

Six pad foam 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-2026-000013418) never changes.

Identity and time

Publication numberOT-2026-000013418 · never reused
Internal UUID01a0ae6d-6fca-703f-9607-0f88a4999b52 · 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-2026-000013418
StatusPUBLIC

Content hashes

Canonical text46f9ddfa30b781c1b9f0f3f17d7b1f1acd852814ac1e59d14ab0391df5f19836
Markdown86b253f74b0d88c69596fa8581bcb8f23eb14581e872d3389ea86ee92544fc98
PDF
Publication page2cc2243f76391498602e068f7ace7d7f052878ed091e48cc1dac8e94f396caec
Manifest8aca006ccec8d5e3009fc6ceaba591a87dc63ac1c5b90b3c4702c3261b8d7ec9

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
SignatureVf0gOsJhenrGsYYp9WFOejl7QOjR1T3Wek+V6hF3nS3yDEsPC6tAQr/euZkD0tq9AHnGo5IKsJQ9QQuoKGKzAA==
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

2026-09-17T12:09:53.987733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013418
observed 2cc2243f76391498602e068f7ace7d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:53.969923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013418/manifest.json
observed 8aca006ccec8d5e3009fc6ceaba591a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:53.946818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013418/publication.md
observed 86b253f74b0d88c69596fa8581bcb8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:53.927117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013418/publication.txt
observed 46f9ddfa30b781c1b9f0f3f17d7b1f1a...
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.