OpenTechnical

OT-2026-000082723

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000082723) never changes.

Identity and time

Publication numberOT-2026-000082723 · never reused
Internal UUID01a0ae97-8cc9-7eb9-87e3-9a796360db3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082723
StatusPUBLIC

Content hashes

Canonical textcfa3453e2a8c3fa2433434b88fba7c5fd490429d131389f498e0a2f6147e9837
Markdown3bec575457c4f30b6af4804480719c92f616be294c94009cdc0cab55ca428a34
PDF
Publication pagea5374222aa20ab1569b263159f56cbdc15b707b8951a1255db5a9a08d788ed1a
Manifeste279fc340e82dbca1a8cada45909c1b6ec3561e25ff1f7c8416d62c76004c407

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
SignaturebACrkRctxnras/LgSbGXd0Vut8h/zyP2X+Updn56/z4v22gdcuIq5JIcDNfIcE7nihNK+w21U4D27DyKeArtBw==
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

2026-09-17T09:58:18.077256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082723
observed a5374222aa20ab1569b263159f56cbdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:18.060520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082723/manifest.json
observed e279fc340e82dbca1a8cada45909c1b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:18.044860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082723/publication.md
observed 3bec575457c4f30b6af4804480719c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:18.028623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082723/publication.txt
observed cfa3453e2a8c3fa2433434b88fba7c5f...
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.