OpenTechnical

OT-2026-000013339

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed 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-2026-000013339) never changes.

Identity and time

Publication numberOT-2026-000013339 · never reused
Internal UUID01a0ae6d-6fc9-7df4-ba1e-b4e11785ced3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013339
StatusPUBLIC

Content hashes

Canonical textc0f8bcbf9cbad2272e6d60dd7a90b1c553eb97e558dee7aa1c93accda717a06f
Markdown0976fff947fcc1840b6a4a02bc002fa6453b889cde0e5c1b122008ed57073e38
PDF
Publication page1cb69a14da51acc044ec2cf18b36cac116cc3bd31fe3715e9a051fdb90519d96
Manifest3d9aab49578c0c663141390b602c639342f442a4eacdb86fa87b8dcc483dc753

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
Signaturep1pYwE+uLCRvL31c/HzC0k70Sp+WdpqwPhvJnQl6zID7bIs3CLMyHhMatDjdut9WEs30pK9rPv28ljPMya03CQ==
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

2026-09-17T12:09:46.936308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013339
observed 1cb69a14da51acc044ec2cf18b36cac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.915551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013339/manifest.json
observed 3d9aab49578c0c663141390b602c6393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.894994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013339/publication.md
observed 0976fff947fcc1840b6a4a02bc002fa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.875694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013339/publication.txt
observed c0f8bcbf9cbad2272e6d60dd7a90b1c5...
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.