OpenTechnical

OT-2026-000087139

Publication integrity record

Two cup vacuum gripper, two zone face, six 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-2026-000087139) never changes.

Identity and time

Publication numberOT-2026-000087139 · never reused
Internal UUID01a0ae9a-9f2e-74e8-bf45-1b8f5ce94faa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087139
StatusPUBLIC

Content hashes

Canonical textf84e1c82bfedb3124344287456715a6f4f9f2c96223400d6c97e430471202864
Markdown15c030bc70a2addf1be27095581432eda3253c26633fa95b4ea6a221e4c95a4c
PDF
Publication page7f6336dd279e1728450de0334bcc69a519c4cfc121e3362750f7ea3ab0630baf
Manifest44c784815d60d30b330e7bb402fba73f04471427ced4b37e28a201b6809c7439

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
SignatureE6EU9vK5d0R4+R2vK1Sm3ADF8Gm6bgu5x9LtgWXD9+jqCXL7AI8uweWsuSoqPBRxEiY3Jo9yn+HDCJFB8e/XDg==
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

2026-09-17T09:51:24.187581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087139
observed 7f6336dd279e1728450de0334bcc69a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.173406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087139/manifest.json
observed 44c784815d60d30b330e7bb402fba73f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.153456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087139/publication.md
observed 15c030bc70a2addf1be27095581432ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.132911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087139/publication.txt
observed f84e1c82bfedb3124344287456715a6f...
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.