Pith Number

pith:UMZPNMOD

pith:2013:UMZPNMODPU7M37T4NXCETR5JAI

not attested not anchored not stored refs pending

Abundance of 26Al and 60Fe in evolving Giant Molecular Clouds

Aake Nordlund, Aristodimos Vasileiadis, Martin Bizzarro

arxiv:1302.0843 v2 · 2013-02-04 · astro-ph.EP · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMZPNMODPU7M37T4NXCETR5JAI}

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	2026-05-18T01:51:50.613933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a332f6b1c37d3ecdfe7c6dc449c7a9022689537d7bbbd745bba2d947df446bfa

Aliases

arxiv: 1302.0843 · arxiv_version: 1302.0843v2 · doi: 10.48550/arxiv.1302.0843 · pith_short_12: UMZPNMODPU7M · pith_short_16: UMZPNMODPU7M37T4 · pith_short_8: UMZPNMOD

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/UMZPNMODPU7M37T4NXCETR5JAI \
  | 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: a332f6b1c37d3ecdfe7c6dc449c7a9022689537d7bbbd745bba2d947df446bfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c70dc153ac968d31c14992c0660af9181c1d1a30dde49f0757ed92910e4608c",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-02-04T21:00:01Z",
    "title_canon_sha256": "abea5e2ee6ad422cd2520805aa80fb854f1fdb2ac00be8a5a5a4a0b6c262d402"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0843",
    "kind": "arxiv",
    "version": 2
  }
}