OpenTechnical

OT-2026-000048935

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000048935) never changes.

Identity and time

Publication numberOT-2026-000048935 · never reused
Internal UUID01a0ae81-134b-7d4f-b07d-2ca7ddf26026 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048935
StatusPUBLIC

Content hashes

Canonical text0b559f3f005649d61d31db237d4cc364fb4d928e40501a5f514973aecf1109f4
Markdown80686d3da9c5f0473177a4d5d86c0cd4232c4df847b6623f2d21accf65bc3ba1
PDF
Publication page3b1b8e27a2684b055daabd2577ea536d7542e2365440aba55f8715bb563c2b0d
Manifest795cfbe54612af7b33ae4e6e22d5bd67e55f1f7d23ac3a7500f5b654ffcc3c1a

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
Signaturei+lBfpLKg5DrBSl6gVIQ7HYE82cjnvXUvcHKvcI6hmYZnrNu3i6PHY/Q/GaPtPD0RDahPy3+YA1UNigHb/vNBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:03:07.047385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048935
observed 3b1b8e27a2684b055daabd2577ea536d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.027562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048935/manifest.json
observed 795cfbe54612af7b33ae4e6e22d5bd67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:07.010051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048935/publication.md
observed 80686d3da9c5f0473177a4d5d86c0cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.990709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048935/publication.txt
observed 0b559f3f005649d61d31db237d4cc364...
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.