OpenTechnical

OT-2026-000082539

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000082539) never changes.

Identity and time

Publication numberOT-2026-000082539 · never reused
Internal UUID01a0ae97-8cc7-7b82-969a-1ca3bfd9fe05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082539
StatusPUBLIC

Content hashes

Canonical textc6fc7c2454f690bb3e5fbeddb09ebb2c984943e6e659a1a320a445ec1ce16d76
Markdown19cc88a892693c6c9fb7a6653a5de747264ee9e240d8fb380f293b0fa6b4cfda
PDF
Publication page03f7ff0f0ec9eb0241657dff8761b89e220bf819f902867781918bacbc329017
Manifest89b6e22edc4a007062ae7bb6bd74be88bf8d106d804e9c2c5d9180da04f0297c

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
Signaturemk3XuI+4HZxHGLLoE5ffnT5teqCnmrL8koWK/lJDbCRFIzFcaQ6pusigM2jU8Ncr0awTW4rLa8yYUteGPLbNDw==
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

2026-09-17T09:57:58.461997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082539
observed 03f7ff0f0ec9eb0241657dff8761b89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:58.445714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082539/manifest.json
observed 89b6e22edc4a007062ae7bb6bd74be88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:58.430362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082539/publication.md
observed 19cc88a892693c6c9fb7a6653a5de747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:58.414759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082539/publication.txt
observed c6fc7c2454f690bb3e5fbeddb09ebb2c...
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.