Pith Number

pith:B3VKKZIU

pith:2015:B3VKKZIUVVTWQBQYVVNYRUGWX3

not attested not anchored not stored refs pending

Comparing different indicators of quasar orientation

Andreas P. Rauch, Doug B. Gobeille, John F. C. Wardle, Kyle J. Van Gorkom

arxiv:1504.08044 v1 · 2015-04-29 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B3VKKZIUVVTWQBQYVVNYRUGWX3}

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	2026-07-05T02:13:40.348240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eeaa56514ad67680618ad5b88d0d6bec16b52fac4ff913080915201eaad509a

Aliases

arxiv: 1504.08044 · arxiv_version: 1504.08044v1 · doi: 10.48550/arxiv.1504.08044 · pith_short_12: B3VKKZIUVVTW · pith_short_16: B3VKKZIUVVTWQBQY · pith_short_8: B3VKKZIU

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/B3VKKZIUVVTWQBQYVVNYRUGWX3 \
  | 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: 0eeaa56514ad67680618ad5b88d0d6bec16b52fac4ff913080915201eaad509a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35b69b9b499026cffbf8388f4cf307950b7a05d7e2d46a360124e01eab60ca0e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-29T23:12:11Z",
    "title_canon_sha256": "3cd0eee4766abee97f4ca9f318feecfd88c8bcc25e0114e11d2d752d6e67f16d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.08044",
    "kind": "arxiv",
    "version": 1
  }
}