OpenTechnical

OT-2026-000087188

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000087188) never changes.

Identity and time

Publication numberOT-2026-000087188 · never reused
Internal UUID01a0ae9a-9f2e-7aa5-97ed-21761e0b518c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087188
StatusPUBLIC

Content hashes

Canonical text5d58701a791cfac42a7fa9c4dd393a514059a21163b360e7af41a3bc26cc6875
Markdown9784ee8cf34ad2167e823f88b42cf87faaf97f939183d26c344f323d57a5cfb1
PDF
Publication page04c8bd96dd65d47d3c0997ed6081c0b6f704fd162602542e71c58e482fcbbdc5
Manifestbe491f5f5c1bf863fa36e0b0d4452ea3882db2db1e6839e80f65e650184d00a4

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
SignaturezKAN4aci4uA3P22ZMJo19wp2MdzexLO4nTKaTxHFqkvltnD0XiGgPcApk/taC7GpmLKJwxRr1LNr1n8D9PavAQ==
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

2026-09-17T09:51:27.762459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087188
observed 04c8bd96dd65d47d3c0997ed6081c0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.744630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087188/manifest.json
observed be491f5f5c1bf863fa36e0b0d4452ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.726288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087188/publication.md
observed 9784ee8cf34ad2167e823f88b42cf87f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.708586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087188/publication.txt
observed 5d58701a791cfac42a7fa9c4dd393a51...
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.