OpenTechnical

OT-2026-000044564

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, pulsed 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-2026-000044564) never changes.

Identity and time

Publication numberOT-2026-000044564 · never reused
Internal UUID01a0ae7c-39d9-733e-aefc-07a37e08be2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044564
StatusPUBLIC

Content hashes

Canonical textf086f43cd1b3380343d71ddc917e1ea47c31508c8d0b28423429e5f708344cf7
Markdown9777936d9c93507ae09129413e2dbaf1a6712db989d52e08ef0457fae56f5a6b
PDF
Publication paged57ed95f8a5f002ed18d4cb05ec34cd5e5d2d884beafa6ebe2a6bacc8a63a309
Manifest18ccec4461ae0e1707993accdc5ae89ebeeece19cf598362c5cabb7f14052264

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
SignatureV0iPiD51DoIdt//gPqEOHx/OEv+UahWORlEiHNrTby3llN12l1JZK7GNbt+IKqAi86YHXfZMdqX6UijJX8LKAw==
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

2026-09-17T11:11:45.417996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044564
observed d57ed95f8a5f002ed18d4cb05ec34cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.400393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044564/manifest.json
observed 18ccec4461ae0e1707993accdc5ae89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.380637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044564/publication.md
observed 9777936d9c93507ae09129413e2dbaf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.364403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044564/publication.txt
observed f086f43cd1b3380343d71ddc917e1ea4...
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.