OpenTechnical

OT-2026-000073979

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000073979) never changes.

Identity and time

Publication numberOT-2026-000073979 · never reused
Internal UUID01a0ae93-2b8f-7300-aaf6-75e603c29d0f · 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-2026-000073979
StatusPUBLIC

Content hashes

Canonical text7d4201bff5328776e9271085187fdc990fb8a348ae79721df0d03e29873270f5
Markdown133875cccbed0741e5a2eb2d2f64a36637d3d3822edb9707476f8f7627e8d0b8
PDF
Publication page082a07bd036b076dfed5556fa6f2d19f3294a3daaac9a9c35223ca1bd1b20ed6
Manifest063ef0b9b7d8b810557b1534661c4edbe16ff367cd56f2686bb4a2538cd9775f

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
Signature9y1sveAJKJmj4wEt0Pqc9UE0CoceVyJmIpY6mztgGQH7720YbMPhVDxE+4ljOAnfTw2i/8b17+r6Gj65S6m3Dw==
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

2026-09-17T10:20:16.428168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073979
observed 082a07bd036b076dfed5556fa6f2d19f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.411074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073979/manifest.json
observed 063ef0b9b7d8b810557b1534661c4edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.392836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073979/publication.md
observed 133875cccbed0741e5a2eb2d2f64a366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.373421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073979/publication.txt
observed 7d4201bff5328776e9271085187fdc99...
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.