Pith Number

pith:2LWIPXH4

pith:2011:2LWIPXH4KUD7LY3JJJHSSHFRMS

not attested not anchored not stored refs pending

The dark degeneracy and interacting cosmic components

Alejandro Aviles, Jorge L. Cervantes-Cota

arxiv:1108.2457 v2 · 2011-08-11 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2LWIPXH4KUD7LY3JJJHSSHFRMS}

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	2026-05-18T04:10:58.403531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2ec87dcfc5507f5e3694a4f291cb164bdf0ffaf6fde2f264202c9571ed3b01a

Aliases

arxiv: 1108.2457 · arxiv_version: 1108.2457v2 · doi: 10.48550/arxiv.1108.2457 · pith_short_12: 2LWIPXH4KUD7 · pith_short_16: 2LWIPXH4KUD7LY3J · pith_short_8: 2LWIPXH4

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/2LWIPXH4KUD7LY3JJJHSSHFRMS \
  | 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: d2ec87dcfc5507f5e3694a4f291cb164bdf0ffaf6fde2f264202c9571ed3b01a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0845b3f8ade5f824da9e282fa522dbde1ec9a3537b994b4ffcc8134659c08506",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-11T16:41:45Z",
    "title_canon_sha256": "739d63bfad193469027b6f3a094d95eea9ccad9725b0be14d136c91b8d738434"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2457",
    "kind": "arxiv",
    "version": 2
  }
}