OpenTechnical

OT-2026-000013690

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000013690) never changes.

Identity and time

Publication numberOT-2026-000013690 · never reused
Internal UUID01a0ae6d-8de8-72ae-80d5-f0720ebd5059 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013690
StatusPUBLIC

Content hashes

Canonical textd3c9be520bb229821ea27ab18013922b50e1c759eb73147a79e83076c67e58c1
Markdown56a0a136590401acd23d18e9f96c92c756e574acebe032c910dccbcaa0f3b009
PDF
Publication pagee46709c66529a6620588408854e9326022142ef4db03ea6958c9862021e1dafc
Manifest8d70facd3f83c0bcb604dc272cc437d55bb5cdd9c4ff9a25c86a07eda7705c0b

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
SignatureonvHGm17ei4AXrQmmC86ctjRlKvdrbHTSUbJHhbZDJ6PORRZfFgwLPeS9kTQM8NXri16OVV64RtSDrjLdgLHBA==
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

2026-09-17T12:08:38.546170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013690
observed e46709c66529a6620588408854e93260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:38.526546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013690/manifest.json
observed 8d70facd3f83c0bcb604dc272cc437d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:38.509158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013690/publication.md
observed 56a0a136590401acd23d18e9f96c92c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:38.490529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013690/publication.txt
observed d3c9be520bb229821ea27ab18013922b...
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.