OpenTechnical

OT-2026-000086387

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000086387) never changes.

Identity and time

Publication numberOT-2026-000086387 · never reused
Internal UUID01a0ae9a-2c96-7807-9907-54e86afeebd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086387
StatusPUBLIC

Content hashes

Canonical textbc570a1283defbec985cd6d4eff0d816b3bf4bbeb619571424d2cc066146b91f
Markdown219f5b669a36196eea5792755357503da15393a3c4c4c2fb1a325d10492f1d03
PDF
Publication page416a17c78648df8ec9a5cd15f66b29daada8f9358721385b02c481035a0cf117
Manifestec31654e89bc58d21eee53607a6462145c5f56963819d5527a7707d6f3684cc9

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
Signaturek2KFCxtaaOLrhZRctC+RQXLKvAtG2GGVXqxnLo85JWHdm9yQRXVd1BCBu+IzmO3ZT1xb+dMA7Ppzpjvz5B3oDw==
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

2026-09-17T09:52:04.957112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086387
observed 416a17c78648df8ec9a5cd15f66b29da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:04.940680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086387/manifest.json
observed ec31654e89bc58d21eee53607a646214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:04.922434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086387/publication.md
observed 219f5b669a36196eea5792755357503d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:04.905022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086387/publication.txt
observed bc570a1283defbec985cd6d4eff0d816...
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.