OpenTechnical

OT-2026-000090035

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000090035) never changes.

Identity and time

Publication numberOT-2026-000090035 · never reused
Internal UUID01a0ae9c-428e-77e9-a795-d96d82594d13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090035
StatusPUBLIC

Content hashes

Canonical text099dd558a7c01427e456a5631a7dc28547b4fd47a4e247d6a45d48be373f7615
Markdownae6afd237e979ec3aa92ee2355f8ea387a03e7515527b770f7c82b6be3a0bb3b
PDF
Publication pageaaa6e7b0ffe61944736c7802ae64004afb78deb877aa8c0f048196869f1256bb
Manifest5b034662c47b329d3b32ea3f86adec5223421942e5c9a8f6ad2088e53a427c35

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
Signatureg4RpbwUjN5QUxdseny2V3t3l8w5/eJGB6xC1KclRalAvzWw6YS1UymWb/8WZcH1elzP+mheQkxipb4AsAtoyCQ==
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

2026-09-17T09:45:26.267890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090035
observed aaa6e7b0ffe61944736c7802ae64004a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.250285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090035/manifest.json
observed 5b034662c47b329d3b32ea3f86adec52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.233436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090035/publication.md
observed ae6afd237e979ec3aa92ee2355f8ea38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.213226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090035/publication.txt
observed 099dd558a7c01427e456a5631a7dc285...
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.