OpenTechnical

OT-2026-000086117

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000086117) never changes.

Identity and time

Publication numberOT-2026-000086117 · never reused
Internal UUID01a0ae99-e82b-7120-adbb-9e73dd1a2cba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086117
StatusPUBLIC

Content hashes

Canonical textb2db12e36d99677bb547ae28a7e7fa9ca8cfdfd02b9acd2fcf5876717e06c01c
Markdown514186dfa44a97890d511c42b8e8ffbe73e8e25ab58a707576158f9a16f872cc
PDF
Publication page531370256efeaa99a4a1501de68880137c59121ddaf12f9d23feed14f329a6a6
Manifest46710803f8b480fdec964e824e02eb96ac73eec967ec13024936b2c23eeb35bf

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
Signaturea234HSBxVQmfPQu5YZm+NNmBbSk57a5WT1g5Q4XTsDJBpxsIZZ+ribmTfE1z49hUOCUZlVeh45CUxZpb7e2BAQ==
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

2026-09-17T09:53:46.390607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086117
observed 531370256efeaa99a4a1501de6888013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:46.374596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086117/manifest.json
observed 46710803f8b480fdec964e824e02eb96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:46.358802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086117/publication.md
observed 514186dfa44a97890d511c42b8e8ffbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:46.341938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086117/publication.txt
observed b2db12e36d99677bb547ae28a7e7fa9c...
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.