OpenTechnical

OT-2026-000010684

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, vented 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-2026-000010684) never changes.

Identity and time

Publication numberOT-2026-000010684 · never reused
Internal UUID01a0ae6c-0ee8-79fa-88c8-9097fe2415e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010684
StatusPUBLIC

Content hashes

Canonical textb377bb75c7a836461ea2f3cac8aee0ff29ab00bef0831eab828c950e51259ec9
Markdowne40dd1bffba443c1c102a19be74fe88ea8f8aea1adfd37bbe84a28098c6dbd1a
PDF
Publication pageed1b89f4a4f4d1f078c0767b0fd7fe87795b5fa7db3d08d6884cb3bb85050d0a
Manifest43857b31676391b442789279078b423af37b61e6207a5bb71da3bd971701e502

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
SignatureLV9b9dIo/03/4MoQe/+pG1W/ezQevhuHcxxvGv3ikZOjFOeP7fO8FhInZUD/CZe21QL2bpv8k8NQFoAc37DSCQ==
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

2026-09-17T12:14:53.801954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010684
observed ed1b89f4a4f4d1f078c0767b0fd7fe87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.783179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010684/manifest.json
observed 43857b31676391b442789279078b423a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.765016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010684/publication.md
observed e40dd1bffba443c1c102a19be74fe88e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.747515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010684/publication.txt
observed b377bb75c7a836461ea2f3cac8aee0ff...
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.