OpenTechnical

OT-2026-000041793

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000041793) never changes.

Identity and time

Publication numberOT-2026-000041793 · never reused
Internal UUID01a0ae79-e8a3-7bb7-a151-128fe5df3d40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041793
StatusPUBLIC

Content hashes

Canonical texte1de7fe47aa836f75a1158af4cbd3cd4a52e9ff75e8df544c3893dd2aac2c550
Markdown82bfe39bd1698d7cd61de0c536c0f0bcc17981901be86a4dfd59b17814d604dc
PDF
Publication page07690e4f144e999bf7ba981a1c7b3f64ff7228d6f99f4bd01ddfb06313569204
Manifest5ea331fdbf4c67860efabfc4f635c9f9a224d8e826bcf0033b00c168d1349ba5

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
SignaturecSJfZEsz5imGeJOpYCoFuMxhefeu0pHOwQkCvv8ZWKhnNsSngR6KuuD3BRD9W6c93ErygtWjaN76bVYYZiOdAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:38.830771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041793
observed 07690e4f144e999bf7ba981a1c7b3f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.812120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041793/manifest.json
observed 5ea331fdbf4c67860efabfc4f635c9f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.792619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041793/publication.md
observed 82bfe39bd1698d7cd61de0c536c0f0bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.774105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041793/publication.txt
observed e1de7fe47aa836f75a1158af4cbd3cd4...
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.