OpenTechnical

OT-2026-000027536

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000027536) never changes.

Identity and time

Publication numberOT-2026-000027536 · never reused
Internal UUID01a0ae72-6998-77f3-96f5-7e502876c644 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027536
StatusPUBLIC

Content hashes

Canonical text79f82adaa8c69a9a91d9c7529e7be7cf3311adc5b40ce98a05f9ece474acabf1
Markdowne640fe9344fb8861c5283cd68d4b18e624024221daf5ee8d65a72fd9d937d860
PDF
Publication page85a710d087c44017a1e2d42467b786e91d0a009d2716b3e0656538d3a5b3dfc2
Manifestb0600645472e9c993947a2276d2673a30a3f7fa28e0ce31adc2c036954a16573

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
SignaturenA8CnZLwuNxSXxG3Xr/ZAVsaK7DKgpSM10hFhxtcKPKCNY1/O8MMDGBZDVss8CZxClxOXKMAAZTTiaJz/RuZBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:01.332277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027536
observed 85a710d087c44017a1e2d42467b786e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.315378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027536/manifest.json
observed b0600645472e9c993947a2276d2673a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.297878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027536/publication.md
observed e640fe9344fb8861c5283cd68d4b18e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.279598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027536/publication.txt
observed 79f82adaa8c69a9a91d9c7529e7be7cf...
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.