OpenTechnical

OT-2026-000091317

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091317) never changes.

Identity and time

Publication numberOT-2026-000091317 · never reused
Internal UUID01a0ae9c-f16c-7ee4-9cac-a865a675af57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091317
StatusPUBLIC

Content hashes

Canonical textc4fbe02a08079fd949ad15b0e51c7a83da871f1cfc3b42a4390ae4db6e5b0913
Markdown4f864d8acfc262f28ca363a22d9aa4f4947e031bb7f1f7ed2ccd79fba1925738
PDF
Publication page2272c37669f3cc0f6f2212d2cca1e8d711ae769249dbfb5d0a2ea1861dcc6ad3
Manifest1c0513b5fd90475f9b013a9b5f1a073667b93b0d471b3ac6cf8b75ca8e1ea17b

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
SignaturehKko3RkIp/QV6pyhR7y/OSUD32TM/X8wNpq+e3P4OIBTJlOYGNdnxOpD4W3d7WLVma0P/cKkacJSKh+IIj4tBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:27.773726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091317
observed 2272c37669f3cc0f6f2212d2cca1e8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.757295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091317/manifest.json
observed 1c0513b5fd90475f9b013a9b5f1a0736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.739306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091317/publication.md
observed 4f864d8acfc262f28ca363a22d9aa4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:27.701740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091317/publication.txt
observed c4fbe02a08079fd949ad15b0e51c7a83...
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.