Pith Number

pith:J7DICQ2E

pith:2019:J7DICQ2E2BEIHOLHAEOC2XSTLS

not attested not anchored not stored refs pending

Astro2020 Science White Paper: ISM and CGM in external galaxies

A. Aloisi, B. James, C. Gry, D. Kunth, J. Roman-Duval, P. Richter, V. Lebouteiller

arxiv:1903.07295 v1 · 2019-03-18 · 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{J7DICQ2E2BEIHOLHAEOC2XSTLS}

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	2026-05-17T23:51:01.838341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fc6814344d04883b967011c2d5e535ca0007bfa3b0d3d07281b9ee14ece141c

Aliases

arxiv: 1903.07295 · arxiv_version: 1903.07295v1 · doi: 10.48550/arxiv.1903.07295 · pith_short_12: J7DICQ2E2BEI · pith_short_16: J7DICQ2E2BEIHOLH · pith_short_8: J7DICQ2E

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/J7DICQ2E2BEIHOLHAEOC2XSTLS \
  | 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: 4fc6814344d04883b967011c2d5e535ca0007bfa3b0d3d07281b9ee14ece141c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9579f3c195c457cc7eb151ad0834e1920462d4f6e1f51b1c1c3b5e315e9cf279",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-18T08:27:57Z",
    "title_canon_sha256": "468ea138e1c2804a15265d3e444a5d8d3010f2362611995951d758ede58f652d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07295",
    "kind": "arxiv",
    "version": 1
  }
}