OpenTechnical

OT-2026-000023254

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single 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-2026-000023254) never changes.

Identity and time

Publication numberOT-2026-000023254 · never reused
Internal UUID01a0ae70-7267-7c5e-bcc0-76ce4b316223 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023254
StatusPUBLIC

Content hashes

Canonical texta4877770c209a5f00f5bb354a0efa90ac0b1285acbaeb99adbe054ca083fd727
Markdown7bed8b0cf54c8547868268ffec45ad42abc5ddd04496ead467fc2abdfd8fc7f8
PDF
Publication page3ec96e302203955ca0a8e8b7e6de48367fb5d784456b65b94aa0ca3d7906c68e
Manifestf66e9dbbfd3d4a760d0611dfbf6004b453477eba2ae4ce58c38b526eb97e85e9

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
SignatureUkVSqGNoYl/ELOxXOdWW6/U2nTRtP4QptE80QzfSRADan3UBfx9IdWNV29OX4Xmm9gO+8qZ3giaF3seRcb5eCw==
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

2026-09-17T11:51:19.341319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023254
observed 3ec96e302203955ca0a8e8b7e6de4836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.320691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023254/manifest.json
observed f66e9dbbfd3d4a760d0611dfbf6004b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.300915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023254/publication.md
observed 7bed8b0cf54c8547868268ffec45ad42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.282661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023254/publication.txt
observed a4877770c209a5f00f5bb354a0efa90a...
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.