Pith Number

pith:NG77YXL6

pith:2011:NG77YXL65ZSLIIQ7HGFKMM4MDR

not attested not anchored not stored refs pending

Could pressureless dark matter have pressure?

Francisco S. N. Lobo, Tiberiu Harko

arxiv:1104.2674 v2 · 2011-04-14 · 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{NG77YXL65ZSLIIQ7HGFKMM4MDR}

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	2026-05-18T02:02:29.308779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69bffc5d7eee64b4221f398aa6338c1c61fb95af19d067619a4ebf0fd2e5245c

Aliases

arxiv: 1104.2674 · arxiv_version: 1104.2674v2 · doi: 10.48550/arxiv.1104.2674 · pith_short_12: NG77YXL65ZSL · pith_short_16: NG77YXL65ZSLIIQ7 · pith_short_8: NG77YXL6

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/NG77YXL65ZSLIIQ7HGFKMM4MDR \
  | 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: 69bffc5d7eee64b4221f398aa6338c1c61fb95af19d067619a4ebf0fd2e5245c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59eafd79857647ea5392d9370df75e07dbcd891a0fba96c20e3bf2ba4fd58be2",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-04-14T06:51:39Z",
    "title_canon_sha256": "a4b1cc691f2fac0f80b1a9e06d2ba7eb9271d974a501dd8d2e6517f2e4a164ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2674",
    "kind": "arxiv",
    "version": 2
  }
}