Pith Number

pith:S3L4SZVB

pith:2013:S3L4SZVBDZTQLTQ2Z4U6EZDXX4

not attested not anchored not stored refs pending

Near-Infrared Spectroscopy of Infrared-Excess Stellar Objects in the Young Supernova Remnant G54.1+0.3

Bon-Chul Koo, Dae-Sik Moon, Hyun-Jeong Kim

arxiv:1306.4656 v1 · 2013-06-19 · 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{S3L4SZVBDZTQLTQ2Z4U6EZDXX4}

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	2026-05-18T01:49:14.691139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96d7c966a11e6705ce1acf29e26477bf242cdb0f098b2df4624b903c185d5463

Aliases

arxiv: 1306.4656 · arxiv_version: 1306.4656v1 · doi: 10.48550/arxiv.1306.4656 · pith_short_12: S3L4SZVBDZTQ · pith_short_16: S3L4SZVBDZTQLTQ2 · pith_short_8: S3L4SZVB

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/S3L4SZVBDZTQLTQ2Z4U6EZDXX4 \
  | 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: 96d7c966a11e6705ce1acf29e26477bf242cdb0f098b2df4624b903c185d5463

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9c7d76c55bd9c99bf89e7c3f6a1f01e7fa977316aae5015c50f07c4c2f59463",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-06-19T19:35:07Z",
    "title_canon_sha256": "c10e8d6cce7b15ad283e3b91a048b6b54d02748128a608e7044a0cdfcc177245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4656",
    "kind": "arxiv",
    "version": 1
  }
}