Pith Number

pith:PBTQEJ7F

pith:2010:PBTQEJ7FGQG2OY4MBDQUWZYAEK

not attested not anchored not stored refs pending

Ionized gas in the starburst core and halo of NGC 1140

(2) University of Wisconsin-Madison), J. S. Gallagher III (2), L. de Poitiers (1) ((1) UCL, M. S. Westmoquette (1)

arxiv:1001.0698 v1 · 2010-01-05 · 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{PBTQEJ7FGQG2OY4MBDQUWZYAEK}

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	2026-05-18T02:10:04.897184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78670227e5340da7638c08e14b670022ac098d42bbe8c1f557a17c242e0d5e4e

Aliases

arxiv: 1001.0698 · arxiv_version: 1001.0698v1 · doi: 10.48550/arxiv.1001.0698 · pith_short_12: PBTQEJ7FGQG2 · pith_short_16: PBTQEJ7FGQG2OY4M · pith_short_8: PBTQEJ7F

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/PBTQEJ7FGQG2OY4MBDQUWZYAEK \
  | 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: 78670227e5340da7638c08e14b670022ac098d42bbe8c1f557a17c242e0d5e4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc2ee293e3b7a37693ebb6184969669e33e9a5dd90c39ad268a07c97c89d7106",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-05T13:03:21Z",
    "title_canon_sha256": "2a0d6141b103f3c55cef9a29045234ebd72bdec39f89275e9c513087259a3aeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0698",
    "kind": "arxiv",
    "version": 1
  }
}