OpenTechnical

OT-2026-000098044

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000098044) never changes.

Identity and time

Publication numberOT-2026-000098044 · never reused
Internal UUID01a0aea1-92f8-70d9-9688-3f07ba756d71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098044
StatusPUBLIC

Content hashes

Canonical text3cc9ade557c3a699426d70effd7d9dc2c33575074212ae66f24fd0b088bcb4b5
Markdown234cee3d7e098cbe8420dbe47d2600dfebdff3116cfce189b0190ed424c2e312
PDF
Publication page91508ffdc1d30229a0c27ca2d1566e5389a66d7f50690f7c8783731cc9ddf8bf
Manifestbf549782a620f6271eebd35770e54a6649cdd7711c723104a633aa6fa8e23bb9

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
SignaturedUx7plOexYnl3vLbi1eAnX9FDjOZQructWlRqEgubU9sMizCZAIgzsO8khbJTTrwDjJ4mQM5FtjXSPCtnRWrAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:13.457811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098044
observed 91508ffdc1d30229a0c27ca2d1566e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.437631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098044/manifest.json
observed bf549782a620f6271eebd35770e54a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.421690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098044/publication.md
observed 234cee3d7e098cbe8420dbe47d2600df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.403896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098044/publication.txt
observed 3cc9ade557c3a699426d70effd7d9dc2...
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.