Pith Number

pith:D7FAPG3Z

pith:2012:D7FAPG3ZVWRY7FMVYR5LQQH3IG

not attested not anchored not stored refs pending

Constraints on anisotropic cosmic expansion from supernovae

Alexander Wiegand, Benedict Bahr-Kalus, Dominik J. Schwarz, Marina Seikel

arxiv:1212.3691 v3 · 2012-12-15 · 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{D7FAPG3ZVWRY7FMVYR5LQQH3IG}

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.

Cited by

2 papers in Pith

Domain-wall Quintessence

In the Realm of the Hubble tension $-$ a Review of Solutions

Receipt and verification

First computed	2026-07-05T05:18:59.673779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fca079b79ada38f9595c47ab840fb41840ea80133d8ab63e7c029231232d54a

Aliases

arxiv: 1212.3691 · arxiv_version: 1212.3691v3 · doi: 10.48550/arxiv.1212.3691 · pith_short_12: D7FAPG3ZVWRY · pith_short_16: D7FAPG3ZVWRY7FMV · pith_short_8: D7FAPG3Z

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/D7FAPG3ZVWRY7FMVYR5LQQH3IG \
  | 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: 1fca079b79ada38f9595c47ab840fb41840ea80133d8ab63e7c029231232d54a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62757c39b2e78a41cc5c0f514e79fed000f90783a1b04e1f3dd01d1cc4bada3c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-15T15:09:51Z",
    "title_canon_sha256": "07638bf9f952e62b5126876dc55eb147d90a89047eca6bacc17e6818c32afdf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3691",
    "kind": "arxiv",
    "version": 3
  }
}