OpenTechnical

OT-2026-000017971

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two 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-2026-000017971) never changes.

Identity and time

Publication numberOT-2026-000017971 · never reused
Internal UUID01a0ae6e-96fc-7ade-b1a4-ea7f73224789 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017971
StatusPUBLIC

Content hashes

Canonical text6f2ab11b72fbe0ff3e644c5966374f2b8224eef1d8cf354f7afcefa5d58804b5
Markdown265d3a5fed22eb9c0b24b69a8e7923768b57e7d1a38161ccad87ee6affa1157f
PDF
Publication page66dcafdf404f6d1350ef15d55d1b3d9ba9963764be8c51881c12906511649261
Manifest5e1b16cfa47a76fabe1c5776b8cb1e369139314dfb5979125d56fe882206bd95

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
Signature6zD7At0isXt22YPEJE8KnAZoyPWE7ONEzT8Hf6d7aPYeqT+FIi5weXGVpAx8Mw631bFKKviFvSFE1a6spyusBw==
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

2026-09-17T12:01:59.140408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017971
observed 66dcafdf404f6d1350ef15d55d1b3d9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.121781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017971/manifest.json
observed 5e1b16cfa47a76fabe1c5776b8cb1e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.102707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017971/publication.md
observed 265d3a5fed22eb9c0b24b69a8e792376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.084173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017971/publication.txt
observed 6f2ab11b72fbe0ff3e644c5966374f2b...
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.