OpenTechnical

OT-2026-000074050

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000074050) never changes.

Identity and time

Publication numberOT-2026-000074050 · never reused
Internal UUID01a0ae93-2b8f-7552-aff0-044515f640ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074050
StatusPUBLIC

Content hashes

Canonical text1ef70fec41cf3a425ba0b667b4023b14365654b96a14f10b353ccb30d76a6473
Markdownb3f628ec14c70de733ac0499fe4a4c160e5b41044527d2207d670ef88feb5507
PDF
Publication pagefc94f0a5112e6ddf4fff2666dcc13fdd8e1433bd4c9b9b44ef392a695aad4c7a
Manifest78a6fb62ca493e59182c60fd7f64e942d30c646e102c7a31913f3d1a9295c6f6

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
SignatureqJjW6lKWp9kCwmVb7sz2By4z0/G0hzGFIYr30TfKqQNrLq/SdfsBJ3Mujwvzkc/5oduUZe+X4vTv6PSVBlEzDw==
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

2026-09-17T10:20:22.513180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074050
observed fc94f0a5112e6ddf4fff2666dcc13fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.491631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074050/manifest.json
observed 78a6fb62ca493e59182c60fd7f64e942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.469646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074050/publication.md
observed b3f628ec14c70de733ac0499fe4a4c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.450528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074050/publication.txt
observed 1ef70fec41cf3a425ba0b667b4023b14...
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.