Pith Number

pith:64BJWFRK

pith:2014:64BJWFRKZVARS4ZYIWDV33DDFI

not attested not anchored not stored refs pending

Evidence for a Massive, Extended Circumgalactic Medium Around the Andromeda Galaxy

Bart Wakker, Chris Howk, Nicolas Lehner

arxiv:1404.6540 v2 · 2014-04-25 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64BJWFRKZVARS4ZYIWDV33DDFI}

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	2026-05-18T02:04:11.315161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7029b162acd4119733845875dec632a3ea9a9ffec7c099c572e3748d055d625

Aliases

arxiv: 1404.6540 · arxiv_version: 1404.6540v2 · doi: 10.48550/arxiv.1404.6540 · pith_short_12: 64BJWFRKZVAR · pith_short_16: 64BJWFRKZVARS4ZY · pith_short_8: 64BJWFRK

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/64BJWFRKZVARS4ZYIWDV33DDFI \
  | 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: f7029b162acd4119733845875dec632a3ea9a9ffec7c099c572e3748d055d625

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd31bad3e88cf95894ac47c30828065c2e1bba620ba6971e3252d61d76ed3b3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-04-25T20:12:31Z",
    "title_canon_sha256": "9f93031ceb9877b2fe35ba8a7eebd9190d6048dbe743910712eddf7bf0b9a4f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6540",
    "kind": "arxiv",
    "version": 2
  }
}