Pith Number

pith:2IM5P5LX

pith:2011:2IM5P5LXTTEKFAL4BOVNQEBA47

not attested not anchored not stored refs pending

AKARI Near-Infrared Spectroscopic Observations of Interstellar Ices in Edge-on Starburst Galaxy NGC253

Daisuke Ishihara, Hidehiro Kaneda, Mitsuyoshi Yamagishi, Shinki Oyabu, Takashi Onaka, Takashi Shimonishi, Toyoaki Suzuki

arxiv:1102.4430 v2 · 2011-02-22 · 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{2IM5P5LXTTEKFAL4BOVNQEBA47}

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	2026-05-18T02:03:06.653505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d219d7f5779cc8a2817c0baad81020e7d6f8ce6b62f2d2bd3503ac92195c69b2

Aliases

arxiv: 1102.4430 · arxiv_version: 1102.4430v2 · doi: 10.48550/arxiv.1102.4430 · pith_short_12: 2IM5P5LXTTEK · pith_short_16: 2IM5P5LXTTEKFAL4 · pith_short_8: 2IM5P5LX

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/2IM5P5LXTTEKFAL4BOVNQEBA47 \
  | 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: d219d7f5779cc8a2817c0baad81020e7d6f8ce6b62f2d2bd3503ac92195c69b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fb8be4a131426fcc7aa49bf19d792b9f19e87ddc1ec2c1f19f7b98134abb542",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-02-22T08:26:15Z",
    "title_canon_sha256": "4a82d37f2c33b89b4764164b47a391740856f84399baca007110ba8fad4a30c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4430",
    "kind": "arxiv",
    "version": 2
  }
}