OpenTechnical

OT-2026-000050814

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, vented 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-2026-000050814) never changes.

Identity and time

Publication numberOT-2026-000050814 · never reused
Internal UUID01a0ae82-c7b2-7eb0-bf70-f37890c76d17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050814
StatusPUBLIC

Content hashes

Canonical text4d20edb52f9d2109d491e5976ad918e81e017e2f62fe8014a6ee58149f2804fe
Markdown3dda4352b1aff6afbc49c86ed738e50a393a2c5b54892003ebc4832ef9ff3129
PDF
Publication pagedcfe64f2f7dbddec55454979bd6940d4a8a933a8ae1a0d8f1f0277017b7bbb22
Manifestb7884a84b92c9efa5469ac29cd180da5729af92ade248e5670b68e6a62a07e23

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
Signatureh7AA89EFg0agXsww/qCp6EOQ+a4VnT0srD9ssGOMLFnUQkME3W/Vtqop24kcfS321CMSGsJfhPjFlZatF8j+CA==
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

2026-09-17T11:00:21.580139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050814
observed dcfe64f2f7dbddec55454979bd6940d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.556725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050814/manifest.json
observed b7884a84b92c9efa5469ac29cd180da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.522565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050814/publication.md
observed 3dda4352b1aff6afbc49c86ed738e50a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.494508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050814/publication.txt
observed 4d20edb52f9d2109d491e5976ad918e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.485838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050814
observed dcfe64f2f7dbddec55454979bd6940d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.451397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050814/manifest.json
observed b7884a84b92c9efa5469ac29cd180da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.426031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050814/publication.md
observed 3dda4352b1aff6afbc49c86ed738e50a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.398092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050814/publication.txt
observed 4d20edb52f9d2109d491e5976ad918e8...
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.