OpenTechnical

OT-2026-000085687

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000085687) never changes.

Identity and time

Publication numberOT-2026-000085687 · never reused
Internal UUID01a0ae99-aaad-7493-bb75-250b164e902b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085687
StatusPUBLIC

Content hashes

Canonical textedc2c13bda2f4482587f4e503acbe7dc96f0ad33d69128012630a028bf27d2a2
Markdown4cc07baec5386ea81055149916459c667e4146fc1eb110785139ec1834571cf0
PDF
Publication page392adbe730f0f92d5134fd483ab4db324d4f7e8ba17bd9d630aed4e4f8fb473f
Manifest44aa443b85b6099db23d6bbc4af960a2d3955e9ec87a1cb34f96008ce0247464

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
Signature3cBY1Z6/7Li8E3gnB48DwMbxrMpsv3oUmOiVxy/ozBdFoR2+6cRC+eezC+UV0aB19bWe/mBuxtVAufr1lIjWDQ==
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

2026-09-17T09:54:35.248249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085687
observed 392adbe730f0f92d5134fd483ab4db32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.226584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085687/manifest.json
observed 44aa443b85b6099db23d6bbc4af960a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.207574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085687/publication.md
observed 4cc07baec5386ea81055149916459c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.187736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085687/publication.txt
observed edc2c13bda2f4482587f4e503acbe7dc...
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.