OpenTechnical

OT-2026-000089161

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000089161) never changes.

Identity and time

Publication numberOT-2026-000089161 · never reused
Internal UUID01a0ae9b-db00-7e05-b973-678cd2b56512 · 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-2026-000089161
StatusPUBLIC

Content hashes

Canonical text22d2df1d9a5ec26c1d0e51b852bedd39d1262a332f4906cc06c123ea91052974
Markdown2c1ffae627eccbd757389228d4fe8ce8af7e88ce3e77dce7686bf5a058ff6bb4
PDF
Publication page883d6acf3a2639540ddc347da925281c719bde580091276791381ee4353a7ac7
Manifesta6b86b4f223d7d72b9251d20c36bfd7f9d5e20c42b6b28daeb2f053c23d92f41

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
SignaturemfucwkNkl9cdOy7Z6hG93kS5yikkbenzvjrwaGDj4RyU3+sh/wHRNWPyGN5ffc5xQBgf9PVzc74h6zGjTVg1Dg==
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

2026-09-17T09:47:02.709788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089161
observed 883d6acf3a2639540ddc347da925281c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.686400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089161/manifest.json
observed a6b86b4f223d7d72b9251d20c36bfd7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.667998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089161/publication.md
observed 2c1ffae627eccbd757389228d4fe8ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.557945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089161/publication.txt
observed 22d2df1d9a5ec26c1d0e51b852bedd39...
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.