Pith Number

pith:5RBVH6BG

pith:2017:5RBVH6BGJBFNFLO5MCPVZPY5RD

not attested not anchored not stored refs pending

Birefringent light propagation on anisotropic cosmological backgrounds

Felipe A. Asenjo, Sergio A. Hojman

arxiv:1703.02579 v3 · 2017-03-07 · 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{5RBVH6BGJBFNFLO5MCPVZPY5RD}

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	2026-05-18T00:37:34.211604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec4353f826484ad2addd609f5cbf1d88d2677bc9e57905ec9abd56154a192d8b

Aliases

arxiv: 1703.02579 · arxiv_version: 1703.02579v3 · doi: 10.48550/arxiv.1703.02579 · pith_short_12: 5RBVH6BGJBFN · pith_short_16: 5RBVH6BGJBFNFLO5 · pith_short_8: 5RBVH6BG

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/5RBVH6BGJBFNFLO5MCPVZPY5RD \
  | 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: ec4353f826484ad2addd609f5cbf1d88d2677bc9e57905ec9abd56154a192d8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb7c1ebcbbdcdb96db7c4402289f287aaeeb2f7158edb4344f5e46dfa6535e1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-03-07T20:23:13Z",
    "title_canon_sha256": "0dbd2359621d475c6850896da42fc962b135cbc9ca6d78dec200a15d0caa5d51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02579",
    "kind": "arxiv",
    "version": 3
  }
}