OpenTechnical

OT-2026-000084815

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, sustained 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-2026-000084815) never changes.

Identity and time

Publication numberOT-2026-000084815 · never reused
Internal UUID01a0ae99-43b3-71f5-af0f-e2434c2c8674 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084815
StatusPUBLIC

Content hashes

Canonical textaf3e165789f95bc2903f96bd570ab92c1a4e963bdd222be3a1244a9a60e872d9
Markdownd84cf625da37a75b41d378a1d69577c9cbe876e5dcecac39f40cc245330cd762
PDF
Publication page624217685add9b4e93d3ec3ff27ec7dba1713089372b7fbb4a81c52ec541dcf8
Manifestea461c6ef5e0924b40e0cd191b3c29e10b263ca868786eeb88a458ca596b4430

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
Signature4ZZjTsqnAgN3IhcyhSg68Qcfadq8BCGuELrUKqN1WB6EzXlNkBwXf/1ckao998joD/Ohy6NhigdoWCJaZNqLAg==
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

2026-09-17T09:54:45.801950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084815
observed 624217685add9b4e93d3ec3ff27ec7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.783516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084815/manifest.json
observed ea461c6ef5e0924b40e0cd191b3c29e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.765734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084815/publication.md
observed d84cf625da37a75b41d378a1d69577c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.747029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084815/publication.txt
observed af3e165789f95bc2903f96bd570ab92c...
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.