OpenTechnical

OT-2026-000082266

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000082266) never changes.

Identity and time

Publication numberOT-2026-000082266 · never reused
Internal UUID01a0ae97-4d94-73d6-9b56-8ec84064de21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082266
StatusPUBLIC

Content hashes

Canonical textd42f8ec130461915447deab8a3db0f1ff59090dc3d854c86e6bd940b991f364e
Markdown861a8709e5fa6a5b7a46167b12db4153a2bb3d087265bd8f95e09197f080de2e
PDF
Publication pagefc337b650d73889ec616914e8e3fc1b83fdfc32dafec9a4996129e75f0d6bbba
Manifestc90f25711bf7ff9b7759fca63a3e564e86047c5940cb076a2cf4102e32a3c1ad

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
SignatureDMDEmo/gL1aVKyzBpQQ61yNd4IgNx7SOleQUzKomNs9QtFlEDpAHRlSUrnoc6Ljtzy5EAfUINPk3LWVJnQ0lAQ==
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

2026-09-17T09:59:07.208200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082266
observed fc337b650d73889ec616914e8e3fc1b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.192627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082266/manifest.json
observed c90f25711bf7ff9b7759fca63a3e564e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.174898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082266/publication.md
observed 861a8709e5fa6a5b7a46167b12db4153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.156978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082266/publication.txt
observed d42f8ec130461915447deab8a3db0f1f...
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.