OpenTechnical

OT-2026-000066560

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000066560) never changes.

Identity and time

Publication numberOT-2026-000066560 · never reused
Internal UUID01a0ae8e-ce41-7323-849b-c0b8baf7d591 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066560
StatusPUBLIC

Content hashes

Canonical text6427d71268688deb3c01d13b6daf0dae6630c087bdb70df2da37b933009e7bfa
Markdown82b70f0821ca9e21945316fdadfa046d931279436f1b5b452b39f84d219e9b94
PDF
Publication paged29da1906b46c4cfb52836a85ad66e64baa4bd8c52a2b3cf33fdda79d3faab0d
Manifest002a163c64251103550482911a23632e1ae0b79f10dd8d79562925890b843d86

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
SignatureQGC4LQ2nEAmGe2JNZuzdxhdjFILCjCPA0lkdeM9irJ+MnvhxXRd4TlnL8jxKyaYzk//tVjF4L2aWVsoeV439DQ==
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

2026-09-17T10:32:49.803170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066560
observed d29da1906b46c4cfb52836a85ad66e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.785259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066560/manifest.json
observed 002a163c64251103550482911a23632e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.766817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066560/publication.md
observed 82b70f0821ca9e21945316fdadfa046d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.748902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066560/publication.txt
observed 6427d71268688deb3c01d13b6daf0dae...
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.