OpenTechnical

OT-2026-000027036

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000027036) never changes.

Identity and time

Publication numberOT-2026-000027036 · never reused
Internal UUID01a0ae72-3453-7431-9541-844dd55cfa97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027036
StatusPUBLIC

Content hashes

Canonical text2a1f8254e978f3890b048a2276a44d12b8e9e5ba019ec5f2c74402534b83a192
Markdown0564ce5bae4cfabe850136561debc56f6e2ddc0f0ae1e8018bb56911e1d55280
PDF
Publication page1e02dd6fb2fd270e29ff0232a0446585b9d62b94d2cfaddc9f37b1f574ff1fbd
Manifest89e0a65193c117e8d64047307e5d2fdf43ad060f18b9c15341bda2b960ae5468

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
SignatureI+zACHKBzR/IhxOUs31N34Q+jD+3YDG5LAC5Pux9FBqFIccx8BNkRy45cPDOyDUU1flW8pXGyY77rtJOeD7NDA==
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

2026-09-17T11:43:47.432148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027036
observed 1e02dd6fb2fd270e29ff0232a0446585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.415482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027036/manifest.json
observed 89e0a65193c117e8d64047307e5d2fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.398775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027036/publication.md
observed 0564ce5bae4cfabe850136561debc56f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.382103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027036/publication.txt
observed 2a1f8254e978f3890b048a2276a44d12...
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.