Pith Number

pith:Q45U5MBG

pith:2015:Q45U5MBGGSWJRDUW2EYSWDLP7Q

not attested not anchored not stored refs pending

Large Blue Spectral Isocurvature Spectral Index Signals Time-Dependent Mass

Daniel J. H. Chung

arxiv:1509.05850 v1 · 2015-09-19 · astro-ph.CO · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q45U5MBGGSWJRDUW2EYSWDLP7Q}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

New Isocurvature Constraints from JWST UV Luminosity Function

Receipt and verification

First computed	2026-05-18T01:07:17.361831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

873b4eb02634ac988e96d1312b0d6ffc26e0c699ff4f96f529fc3eb2eeb3142d

Aliases

arxiv: 1509.05850 · arxiv_version: 1509.05850v1 · doi: 10.48550/arxiv.1509.05850 · pith_short_12: Q45U5MBGGSWJ · pith_short_16: Q45U5MBGGSWJRDUW · pith_short_8: Q45U5MBG

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/Q45U5MBGGSWJRDUW2EYSWDLP7Q \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 873b4eb02634ac988e96d1312b0d6ffc26e0c699ff4f96f529fc3eb2eeb3142d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3876528ed21d471113bcdaaa265151dc6c318bfaba8252a23bc2be8d758cd74a",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-09-19T05:56:56Z",
    "title_canon_sha256": "c392ec8135c7be1abe4a1f02f37f2932716a42f220049bf88dddc66c86090ac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05850",
    "kind": "arxiv",
    "version": 1
  }
}