OpenTechnical

OT-2026-000011834

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off before set-down

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-2026-000011834) never changes.

Identity and time

Publication numberOT-2026-000011834 · never reused
Internal UUID01a0ae6d-1941-70da-91cd-9bd0d5c2208c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011834
StatusPUBLIC

Content hashes

Canonical text8622d8e3e064d2516d7635e0800ff5903f952f207b44c0d2ad3b79146159045e
Markdown463542e31ce37a0690fb11ad4096802a851bcd96bfa1e4b635bac86e75b99dba
PDF
Publication page4109e5fdf69b1e2091f8da0db8afa5019cbcaf6e3ae050aeec3f1fdd776117cc
Manifest218c8ae3e485db4b4c4e271a32189734c09f2ea9d93f96cd1a7024ae5fac66d9

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
Signature0khSms/xh1IBlUkx1ABEKMfTG2maWhTyVHWmRut6VNhHJmsMfzF7G5ouDWAOueOWN/w5tPPszp/tsQfrAkI7Dg==
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

2026-09-17T12:12:34.208787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011834
observed 4109e5fdf69b1e2091f8da0db8afa501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.190355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011834/manifest.json
observed 218c8ae3e485db4b4c4e271a32189734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.171871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011834/publication.md
observed 463542e31ce37a0690fb11ad4096802a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.151953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011834/publication.txt
observed 8622d8e3e064d2516d7635e0800ff590...
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.