OpenTechnical

OT-2026-000088561

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000088561) never changes.

Identity and time

Publication numberOT-2026-000088561 · never reused
Internal UUID01a0ae9b-8f0e-7bef-9577-6aa8af466ff3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088561
StatusPUBLIC

Content hashes

Canonical text00d321a1f8f8cf95dade63e63047f27717382642c241899ed7aa3324dad77906
Markdown1bbd8ff4ee0d3f2fe0a2ba3aac1d6c2ab410f72300f737837f1ec2e3dd0837a3
PDF
Publication page8b93a7562431ed8bc9637892a199be4f002d08e9feb871603d17cac0fa45f990
Manifest033c7f5dd59ad412842b4e1220ad52015a9ccb1272d728d5b61fbb547ebe3351

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
SignatureY3Z0rHuNaFoGCYFD5Hwnp8K3OFJBv8k/fK3oqjeT4aPHt//P8sA/UWa5M9ij+fKBdkoseUmxF/Qk9H4q9vo/Dg==
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

2026-09-17T09:47:44.543201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088561
observed 8b93a7562431ed8bc9637892a199be4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:44.523829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088561/manifest.json
observed 033c7f5dd59ad412842b4e1220ad5201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:44.504164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088561/publication.md
observed 1bbd8ff4ee0d3f2fe0a2ba3aac1d6c2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:44.485344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088561/publication.txt
observed 00d321a1f8f8cf95dade63e63047f277...
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.