Pith Number

pith:FGQ7ZXZK

pith:2011:FGQ7ZXZKEMKP6ZSQGE56AZDHN7

not attested not anchored not stored refs pending

Evolution of cosmological perturbations in Bose-Einstein condensate dark matter

T. Harko

arxiv:1101.3655 v2 · 2011-01-19 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FGQ7ZXZKEMKP6ZSQGE56AZDHN7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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.

Receipt and verification

First computed	2026-05-18T02:03:26.448429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29a1fcdf2a2314ff6650313be064676ff626cd8d4901cd72e4b6a328b87bb9d8

Aliases

arxiv: 1101.3655 · arxiv_version: 1101.3655v2 · doi: 10.48550/arxiv.1101.3655 · pith_short_12: FGQ7ZXZKEMKP · pith_short_16: FGQ7ZXZKEMKP6ZSQ · pith_short_8: FGQ7ZXZK

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/FGQ7ZXZKEMKP6ZSQGE56AZDHN7 \
  | 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: 29a1fcdf2a2314ff6650313be064676ff626cd8d4901cd72e4b6a328b87bb9d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f963806ff50bf1e4467bb4aff38821f87981018bdb6db44df29baac78aee06a4",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-01-19T10:36:11Z",
    "title_canon_sha256": "3f898e1a17b945d0f10f8497acf55caa183e72b4c6f4cc79518958623df8e91e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3655",
    "kind": "arxiv",
    "version": 2
  }
}