OpenTechnical

OT-2026-000087409

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000087409) never changes.

Identity and time

Publication numberOT-2026-000087409 · never reused
Internal UUID01a0ae9a-cd50-7529-9446-e8d3cdc75890 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087409
StatusPUBLIC

Content hashes

Canonical text7d628e8b4eaa099072692c8c2f5e3ca22241432c3af671d3f51f3a4ee3dcdd8d
Markdown4da1bd3e237e7a07d060d5e8561b1a6b2a5242a49b79024f7c334bf1f96e0210
PDF
Publication page1ab3d1b987fb91cebcf9972ab300732e80094f886bc18109fb5d60310d990eb2
Manifest851ccac028b3f7675879b93046800ae77386d76e6e7a1dc54115ea788f1980b0

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
SignatureGAJGH2RbdZKTh2U01zADKQef2bchGZ8AbvMVDFoKJf/2aUDLW4Vxmzpx2Zof+0N+QwH3VPDtJPGOvb4jUid+Dw==
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

2026-09-17T09:50:43.501257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087409
observed 1ab3d1b987fb91cebcf9972ab300732e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.484202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087409/manifest.json
observed 851ccac028b3f7675879b93046800ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.466821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087409/publication.md
observed 4da1bd3e237e7a07d060d5e8561b1a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.447946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087409/publication.txt
observed 7d628e8b4eaa099072692c8c2f5e3ca2...
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.