OpenTechnical

OT-2026-000100981

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000100981) never changes.

Identity and time

Publication numberOT-2026-000100981 · never reused
Internal UUID01a0aea3-c377-759a-ac37-60de614c4cf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100981
StatusPUBLIC

Content hashes

Canonical text8fdfa2db5ed55309b8b78fe7b0c6d6273669058df96a7e119a04c864e0f2d40c
Markdown6a6166eaef0ef9e0af10a5a45c19adff3517bd8daff110c47d76da62c9340425
PDF
Publication pagea0168ebc5ad902fe2a4d12ae601e375ccd97609b1c1a1898f62d00d504ca69e1
Manifest045e74a333beccaaf26494119fea7698a069ab8c6ad15e672ceee5b7bb0bb1e8

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
SignatureGjBbkWuL320//iVXAvd8mTTajCHAq2IJRH/7egSJHjn2qa60ab3bFzpM0RIThaLN4iDeYqO/JRiLaeXWa8GYDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:34.632823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100981
observed a0168ebc5ad902fe2a4d12ae601e375c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.612948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100981/manifest.json
observed 045e74a333beccaaf26494119fea7698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.595418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100981/publication.md
observed 6a6166eaef0ef9e0af10a5a45c19adff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.576218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100981/publication.txt
observed 8fdfa2db5ed55309b8b78fe7b0c6d627...
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.