Pith Number

pith:FIJVDEGS

pith:2014:FIJVDEGSJXRXWECP74B567KNKC

not attested not anchored not stored refs pending

Hot big bang or slow freeze?

C.Wetterich

arxiv:1401.5313 v2 · 2014-01-21 · astro-ph.CO · gr-qc · 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{FIJVDEGSJXRXWECP74B567KNKC}

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	2026-05-18T01:45:18.440578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a135190d24de37b104fff03df7d4d509042f5445c4f00303899beb6c621cfab

Aliases

arxiv: 1401.5313 · arxiv_version: 1401.5313v2 · doi: 10.48550/arxiv.1401.5313 · pith_short_12: FIJVDEGSJXRX · pith_short_16: FIJVDEGSJXRXWECP · pith_short_8: FIJVDEGS

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/FIJVDEGSJXRXWECP74B567KNKC \
  | 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: 2a135190d24de37b104fff03df7d4d509042f5445c4f00303899beb6c621cfab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acb396ce0d2dbb96fc90d38cacbac972eb61833a3efced6c05840d012031ad90",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-01-21T13:30:46Z",
    "title_canon_sha256": "eb3ee87d182b130f95cc4cd9890284c49bfd6d94e2f61f96f67a146bd7f39d98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5313",
    "kind": "arxiv",
    "version": 2
  }
}