OpenTechnical

OT-2026-000027047

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pulsed 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-2026-000027047) never changes.

Identity and time

Publication numberOT-2026-000027047 · never reused
Internal UUID01a0ae72-3453-7019-a2a7-030c1e382a51 · 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-2026-000027047
StatusPUBLIC

Content hashes

Canonical text2fac38e943d7009ba5383b3111d44b12bb96fbe8bb019021e117c6328ddce422
Markdown303d47173cd452cea1a8d1d6df226d4fca56eddbe730a7c25cd30602300f9ad0
PDF
Publication pageb3770bb7a06a34d8d0359c5f0090cc3e1b5b5eeb93b45e8d1b910cfb9db73bb5
Manifesta25eb7cae7ab680409c0af888b7bc81fdba6aabaeb3517ebc2a587711eb844a6

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
SignaturesOIR2DaVVdv6bjHy0kQcA+l5ZJJ62m6skF9yZe9qYvkBVePfK1Fz5UG/bHjAd9gygtW9DpgHPMCA2nHKhmCtBA==
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

2026-09-17T11:43:48.221069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027047
observed b3770bb7a06a34d8d0359c5f0090cc3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.202209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027047/manifest.json
observed a25eb7cae7ab680409c0af888b7bc81f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.186234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027047/publication.md
observed 303d47173cd452cea1a8d1d6df226d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.168715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027047/publication.txt
observed 2fac38e943d7009ba5383b3111d44b12...
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.