OpenTechnical

OT-2026-000027528

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000027528) never changes.

Identity and time

Publication numberOT-2026-000027528 · never reused
Internal UUID01a0ae72-6998-7b34-9b74-5eff14cca485 · 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-2026-000027528
StatusPUBLIC

Content hashes

Canonical text2196a43d7c9c324d527c8183493da450a8b3ae7c05764f47ac7763c4d1a7cf5d
Markdowne6c89f3de8e14e9a1e3305f8f34c225292ba6bb1fdb02631c33981a674f2f828
PDF
Publication pagef835b532aedb30081c7d1a32a4af396059213b6a9677e79fb54e7a1b8e0ada24
Manifest91101a1ab44367eab4077936a4610a3be2ea7157ab712e419e6513efef94d78f

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
SignatureCeufo2Cb1vxx2eaBeNj9cQ+4LZiarZQ6B/qZPDXoscjV6pTKL7G3WvLUUFuYmHojhRWGj16kW9OXKHjlPB3EBA==
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

2026-09-17T11:43:00.586276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027528
observed f835b532aedb30081c7d1a32a4af3960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.569477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027528/manifest.json
observed 91101a1ab44367eab4077936a4610a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.549233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027528/publication.md
observed e6c89f3de8e14e9a1e3305f8f34c2252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.530538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027528/publication.txt
observed 2196a43d7c9c324d527c8183493da450...
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.