Pith Number

pith:U2NZUCYD

pith:2015:U2NZUCYDVILV3EGATJXG7EQQSC

not attested not anchored not stored refs pending

Mixed aliphatic and aromatic composition of evaporating very small grains in NGC 7023 revealed by the 3.4/3.3 $\mu$m ratio

C. Joblin, F. Boulanger, P. Pilleri, T. Onaka

arxiv:1502.04941 v2 · 2015-02-17 · 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{U2NZUCYDVILV3EGATJXG7EQQSC}

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	2026-05-18T02:17:42.422674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a69b9a0b03aa175d90c09a6e6f921090a0f1b65f55ee6adc41d962715ea4a699

Aliases

arxiv: 1502.04941 · arxiv_version: 1502.04941v2 · doi: 10.48550/arxiv.1502.04941 · pith_short_12: U2NZUCYDVILV · pith_short_16: U2NZUCYDVILV3EGA · pith_short_8: U2NZUCYD

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/U2NZUCYDVILV3EGATJXG7EQQSC \
  | 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: a69b9a0b03aa175d90c09a6e6f921090a0f1b65f55ee6adc41d962715ea4a699

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39d6b8b7b636243f2f6139b30539a1cd398a039ced785d582d25b274c875d9a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-17T16:02:45Z",
    "title_canon_sha256": "45435db2afa80283e2dc61dc4e7de25709b0cda55b83b5dbba9e0fe82eb58a2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04941",
    "kind": "arxiv",
    "version": 2
  }
}