OpenTechnical

OT-2026-000091434

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091434) never changes.

Identity and time

Publication numberOT-2026-000091434 · never reused
Internal UUID01a0ae9c-f16d-72ca-b41d-f5c5e3e15579 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091434
StatusPUBLIC

Content hashes

Canonical text02c6c485edcbeba6f974a8b49038211dddf5bdfc736384491aa50fe328a61927
Markdown104a5ea9d48c429b9aefd4deee70cd7f619415400d2aad1ca91575e5e82bd085
PDF
Publication page0aa09169ff3c9a3af5ca95f2bd551668561710401590a88e70c97ce3a8b58fe1
Manifest27c2f68bc13cf9e96ce16277fdbfc88a26b00020c407f746e83fcb676f950ec4

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
SignatureacLprbXU5q3q6Kk8WzvyhUkS0JkM+mIKB5KYkJcg09YDV+RB5+/3hyknCodVbTsKv9ZpXaHjaECYIVj6GQjxAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:40.527098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091434
observed 0aa09169ff3c9a3af5ca95f2bd551668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.511065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091434/manifest.json
observed 27c2f68bc13cf9e96ce16277fdbfc88a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.492961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091434/publication.md
observed 104a5ea9d48c429b9aefd4deee70cd7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.476077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091434/publication.txt
observed 02c6c485edcbeba6f974a8b49038211d...
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.