OpenTechnical

OT-2026-000010187

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single 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-2026-000010187) never changes.

Identity and time

Publication numberOT-2026-000010187 · never reused
Internal UUID01a0ae6b-cb7b-7a0f-850e-ca308817474e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010187
StatusPUBLIC

Content hashes

Canonical text04f37518ec9f65cd6036208183215642f1a8bb0a90e2323698080e10172d5140
Markdown59223161b896cb9da59ba23c812b2e5a7d2be465d7b059e9bb6f76f94b8a5fca
PDF
Publication page0f09d0a3d554d985945e8a1c146d94fef2112f8b9771e735844d9a26c4ba1407
Manifesta0334efa6730ebd64fcd62a0b14c50c46c2a5df760ebb55e6397693e86d3fe7c

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
SignaturebvtujDoKdkfyIVRfqYAsnN4w9uVYc/13QJc32dnc4/NnXNUc5apB68Z8Df/dhwqLLLMyoIzV1xP5YcNHTVowCw==
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

2026-09-17T12:16:18.361334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010187
observed 0f09d0a3d554d985945e8a1c146d94fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:18.339167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010187/manifest.json
observed a0334efa6730ebd64fcd62a0b14c50c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:18.318820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010187/publication.md
observed 59223161b896cb9da59ba23c812b2e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:18.298157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010187/publication.txt
observed 04f37518ec9f65cd6036208183215642...
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.