OpenTechnical

OT-2026-000092751

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000092751) never changes.

Identity and time

Publication numberOT-2026-000092751 · never reused
Internal UUID01a0ae9d-b600-70da-9302-64f83c511e93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092751
StatusPUBLIC

Content hashes

Canonical text9649553a5e6e10002a8933a2e09d8b1dc77fff79e34bfff9a15bf7556da04438
Markdowne2e502b56e264625f7e052bde03d1a6767fe5250de2ddda42fd3de93ac3d0e1b
PDF
Publication page12cdd8aeaa991fc4bcff68b1631fe088ce13ef44ee390451f7ee15b8d8e7e99a
Manifest85d83162643c38f3a616780108bb265023c1e57448c44022108dcfe43ac6d825

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
Signatureqb7ZhP32arCozyOtjDGAx2QLaQ1qXKlVSdzDMtdefBywCRg8aN9UptPoRKT7wFWK985ZFgAnI+24Q2bScpHhBA==
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

2026-09-17T09:41:22.792208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092751
observed 12cdd8aeaa991fc4bcff68b1631fe088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:22.773812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092751/manifest.json
observed 85d83162643c38f3a616780108bb2650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:22.756302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092751/publication.md
observed e2e502b56e264625f7e052bde03d1a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:22.739288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092751/publication.txt
observed 9649553a5e6e10002a8933a2e09d8b1d...
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.