OpenTechnical

OT-2026-000067300

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000067300) never changes.

Identity and time

Publication numberOT-2026-000067300 · never reused
Internal UUID01a0ae8f-6bd6-7b8d-b3ff-7ef5f48806c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067300
StatusPUBLIC

Content hashes

Canonical text5b88895548fe4e2b2b4e3c9f1413429200af6b813820baefc7ab1584faa7805e
Markdownd86e114f7c411c84931c84119852c38cf00c6ed68365fafd90309ad2aefe3ca3
PDF
Publication pagebd350762ffed2be9fc332aeb2d199ab88f00231b512634be0113819b392e4a08
Manifest7e8f045589ab123d6d2dccfc8c15d9e1cecbf33d85db7f066ecd76e1c640bc8e

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
Signature0O+f+1w1NBfFRlKh0lts+Apj6mpEBbDCW+PmjV7kHmmI9N8ci/CeEHglvbzmgKRORCSbDsrMuOZLQMUa6AMDBA==
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

2026-09-17T10:31:28.106009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067300
observed bd350762ffed2be9fc332aeb2d199ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.086588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067300/manifest.json
observed 7e8f045589ab123d6d2dccfc8c15d9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.068088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067300/publication.md
observed d86e114f7c411c84931c84119852c38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.017414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067300/publication.txt
observed 5b88895548fe4e2b2b4e3c9f14134292...
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.