OpenTechnical

OT-2026-000089328

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000089328) never changes.

Identity and time

Publication numberOT-2026-000089328 · never reused
Internal UUID01a0ae9b-db01-79c3-ae38-4326cdb13b3e · 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-2026-000089328
StatusPUBLIC

Content hashes

Canonical text45bb7de3a090cd6337f83432716b286736425f59c5a768ee93c9e24cb1526e8a
Markdown9282c9dc508dc61b4fc26c96a7d1f80d0c4534b39574f96a8d0697d378276f4a
PDF
Publication pagebb274186bd16f2cdb665c37cac64050ab8c32a021fe4cd3f696fba031becdef1
Manifest66e03af08a6a6430c60543dea3d1fe068632cc3b19951ce61a0bbb93c1e6bafd

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
SignatureLO6boyd8V6qtS6Lp6qRW3Duh/oGPCgwEYzU0TbWRJDMOUzMpTDDhngQEIda8EogADcX7sjUcBILpvXiomKbDBQ==
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

2026-09-17T09:47:22.788500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089328
observed bb274186bd16f2cdb665c37cac64050a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.770888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089328/manifest.json
observed 66e03af08a6a6430c60543dea3d1fe06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.753709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089328/publication.md
observed 9282c9dc508dc61b4fc26c96a7d1f80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.737748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089328/publication.txt
observed 45bb7de3a090cd6337f83432716b2867...
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.