OpenTechnical

OT-2026-000049951

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000049951) never changes.

Identity and time

Publication numberOT-2026-000049951 · never reused
Internal UUID01a0ae81-fd77-7974-adaa-7c2b4704ff2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049951
StatusPUBLIC

Content hashes

Canonical text240f62a3444d3fbe43c25f501caf7fa22ed447f5174bb7060df2838d3ace540f
Markdown67d81cca73ab2caaae29d954f10207d5f471dfe962de81d2b490f47e92a0c22f
PDF
Publication pagea26e95f81a1708ca326edeafb0c7f45a2b059daf1cca14d24244b5f5bfe45364
Manifestb9c0e6980ba731a0a1050b148f8738ec9fa754fa3ee8e073b7c059fea0a16ba7

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
SignatureauELMY1l+5JIjS9bAe46sNV+Wm3j5pYIxNaqw8XBasUEkIGYflnW+rZ3OHblxGpqC+dOo/8dZ9mxA4Dw5irBDQ==
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

2026-09-17T11:01:53.517865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049951
observed a26e95f81a1708ca326edeafb0c7f45a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:53.496187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049951/manifest.json
observed b9c0e6980ba731a0a1050b148f8738ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:53.463767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049951/publication.md
observed 67d81cca73ab2caaae29d954f10207d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:53.445587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049951/publication.txt
observed 240f62a3444d3fbe43c25f501caf7fa2...
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.