Pith Number

pith:72Z525RE

pith:2012:72Z525RESWN52VI24HMVQPDLAI

not attested not anchored not stored refs pending

Iris: The VAO SED Application

Brian Refsdal, Ivo Busko, Janet Evans, Jonathan McDowell, Mark Cresitello-Dittmar, Nina Bonaventura, Olga Pevunova, Omar Laurino, Raffaele D'Abrusco, Rick Ebert, Stephen Doe

arxiv:1205.2419 v2 · 2012-05-11 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72Z525RESWN52VI24HMVQPDLAI}

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	2026-05-18T03:55:11.857726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feb3dd7624959bdd551ae1d9583c6b0210cafcc85f4d1b0c79c5a3ee985a4f04

Aliases

arxiv: 1205.2419 · arxiv_version: 1205.2419v2 · doi: 10.48550/arxiv.1205.2419 · pith_short_12: 72Z525RESWN5 · pith_short_16: 72Z525RESWN52VI2 · pith_short_8: 72Z525RE

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/72Z525RESWN52VI24HMVQPDLAI \
  | 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: feb3dd7624959bdd551ae1d9583c6b0210cafcc85f4d1b0c79c5a3ee985a4f04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c661a4077803c505fb20f29a92945fb71cde5a671ea3ebf95b4f362c1711db8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-05-11T02:32:00Z",
    "title_canon_sha256": "44a748bd81c3f93b849285733ef0b364d28bec031e69fc066bde4af90a26dedd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2419",
    "kind": "arxiv",
    "version": 2
  }
}