OpenTechnical

OT-2026-000089386

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold 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-2026-000089386) never changes.

Identity and time

Publication numberOT-2026-000089386 · never reused
Internal UUID01a0ae9b-db01-7ed1-916f-b931f3ad9bda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089386
StatusPUBLIC

Content hashes

Canonical text408af31f9cde8fe2d9ccf5d7b96f3ba35e68c4f0b58623e4b385caf05a8b9486
Markdownee72944080c21b9746495de9b429859d5f8363f76f75e522b856c8c724321781
PDF
Publication page42f036f84fdf0a19ae5b67bdcf2de16382a9335daa458cf3c628a1c20384b0bc
Manifest179129e0450c251216b7495eab8c4a104051cbb1a8105bdaf275b32610fdfb56

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
SignatureXe+TbbUBLcswAUvsYLiLrewR1biEaoteSJ8dg1WBqM1MXi12HyozcZPMd3CRbH1GVqhQfakbTSkYgO6TLNyuCQ==
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

2026-09-17T09:47:31.477147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089386
observed 42f036f84fdf0a19ae5b67bdcf2de163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.457961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089386/manifest.json
observed 179129e0450c251216b7495eab8c4a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.439519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089386/publication.md
observed ee72944080c21b9746495de9b429859d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.422630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089386/publication.txt
observed 408af31f9cde8fe2d9ccf5d7b96f3ba3...
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.