OpenTechnical

OT-2026-000010945

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000010945) never changes.

Identity and time

Publication numberOT-2026-000010945 · never reused
Internal UUID01a0ae6c-540d-7b8a-9715-72535bab5db8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010945
StatusPUBLIC

Content hashes

Canonical text90dead48a18b321c2bbe6e8ba7a7f7a641114006f49099531659bacf3ed62c9b
Markdown5fd9f70615202ae40195ba8a66bb2e9aa9c42e055fff83bd484d72a35d8078bb
PDF
Publication page334b97756b05480fab9e45eb6ac261200dc1670a0ed139340ded7dfcd51e7d4d
Manifest101e4ddb5b7d01a84ccce0d8520bdc94119b03294cd5e93c91827cd8f3bb1ce3

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
Signaturezxclo15J75LJxbI9yVEiarEAvYB8IMlhsHigW42lvBgyvKv1hS5YdxUsTE6Vxz7oCmg2GEpy16h93SYAq48EBA==
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

2026-09-17T12:13:44.044076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010945
observed 334b97756b05480fab9e45eb6ac26120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:44.025357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010945/manifest.json
observed 101e4ddb5b7d01a84ccce0d8520bdc94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:44.002595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010945/publication.md
observed 5fd9f70615202ae40195ba8a66bb2e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:43.981925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010945/publication.txt
observed 90dead48a18b321c2bbe6e8ba7a7f7a6...
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.