OpenTechnical

OT-2026-000087102

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, sustained blow-off before set-down

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-2026-000087102) never changes.

Identity and time

Publication numberOT-2026-000087102 · never reused
Internal UUID01a0ae9a-9f2d-7f20-9082-0d833ad45705 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087102
StatusPUBLIC

Content hashes

Canonical textc29fb341e602a8c4496b9221eaa6c4bda55a2e961e9575f4fe83347dcefdfa64
Markdownb33d7198a44230c972d2fae59267285e8d7c7785af855b26f21c435abb384ae5
PDF
Publication page4d937b9ad7022d0e6c9dca26a529141206c5d4ba5b5f67c61fd7df3af425ce06
Manifest9a7d4cfa5169450d2fd22c3247c96ad7e6d09a3f8062b83206ca85167e9f8cec

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
SignatureGjaH+xL850MOWCM64Emv3opy9jICPCbOuz7W9xJ0nei1ZMsG1KhA26KSanMhgOiouAT87g6zbkaRfrfLAy03Cg==
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

2026-09-17T09:51:21.750108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087102
observed 4d937b9ad7022d0e6c9dca26a5291412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.734493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087102/manifest.json
observed 9a7d4cfa5169450d2fd22c3247c96ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.718259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087102/publication.md
observed b33d7198a44230c972d2fae59267285e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.702148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087102/publication.txt
observed c29fb341e602a8c4496b9221eaa6c4bd...
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.