Pith Number

pith:EA3E72UG

pith:2014:EA3E72UGUDVVNCSXPIEFSCHTMD

not attested not anchored not stored refs pending

Why is Universe so dark ?

M. Sami

arxiv:1401.7310 v1 · 2014-01-06 · physics.pop-ph · 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{EA3E72UGUDVVNCSXPIEFSCHTMD}

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	2026-05-18T01:11:18.684807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20364fea86a0eb568a577a085908f360e448102d0952277e0f22d98e0aa5e671

Aliases

arxiv: 1401.7310 · arxiv_version: 1401.7310v1 · doi: 10.48550/arxiv.1401.7310 · pith_short_12: EA3E72UGUDVV · pith_short_16: EA3E72UGUDVVNCSX · pith_short_8: EA3E72UG

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/EA3E72UGUDVVNCSXPIEFSCHTMD \
  | 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: 20364fea86a0eb568a577a085908f360e448102d0952277e0f22d98e0aa5e671

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d725e928a68fedc816d9ace4ba3b55a5362900249f92072e9de746da4b9969f6",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2014-01-06T11:37:32Z",
    "title_canon_sha256": "fc1be0b3b17f9e670e650dc60028f81772e2fc718cda595aa5814087603e8923"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7310",
    "kind": "arxiv",
    "version": 1
  }
}