OpenTechnical

OT-2026-000093287

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000093287) never changes.

Identity and time

Publication numberOT-2026-000093287 · never reused
Internal UUID01a0ae9e-0911-7d18-8907-3bc5204b3028 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093287
StatusPUBLIC

Content hashes

Canonical text7f26d1752b09bdf87218c4fd67241752350417f2bb3f33bc7fa36bb7218078b7
Markdown93a5fc9fe9c6a14758954fb5e2c77a5da8934142eacb4d92a1712995f7d94ed1
PDF
Publication page0824d688e47ec02a7005f43a90c3996d1f5b0da59f97a7d3445bfecc0fcac551
Manifest186e4877c63e4b6c74812dbeba60ab44aeb736be67f9e17deadea5a801d86fb9

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
SignaturefghInenQ4yj11FwBL1ST6qALZEcC5odJT8DSvhiv+mXyMSV72F1oPv7FtM853BZbdfHOfDN4x+po080jQo0CDg==
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

2026-09-17T09:40:39.651969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093287
observed 0824d688e47ec02a7005f43a90c3996d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:39.635075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093287/manifest.json
observed 186e4877c63e4b6c74812dbeba60ab44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:39.616938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093287/publication.md
observed 93a5fc9fe9c6a14758954fb5e2c77a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:39.596478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093287/publication.txt
observed 7f26d1752b09bdf87218c4fd67241752...
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.