Pith Number

pith:7ZQT4R34

pith:2013:7ZQT4R34S3Y6FXOCYTXYPKHYOU

not attested not anchored not stored refs pending

DIGIT: Herschel and Spitzer spectro-imaging of SMM3 and SMM4 in Serpens

1), 2, 2), (2) Niels Bohr Institute, 3), (3) Institute for astrophysics, (4), (5) Kavli Institute for Astronomy, (6) Leiden Observatory, 7) ((1) Centre for Star, (7) Max Planck Institut f\"ur Extraterrestrische Physik), Astrophysics, Department of Astronomy, E. F. van Dishoeck (6, G. J. Herczeg (5), J. D. Green (4), J. E. Lindberg (1, J. K. J{\o}rgensen (2, Leiden University, L. E. Kristensen (6), N. J. Evans II (4), O. Dionatos (1, Planet Formation, University of Copenhagen, University of Texas at Austin, University of Vienna

arxiv:1307.2726 v1 · 2013-07-10 · astro-ph.GA · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZQT4R34S3Y6FXOCYTXYPKHYOU}

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	2026-05-18T01:48:52.337187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe613e477c96f1e2ddc2c4ef87a8f8751ce7800883de0468a91994a6c78c5326

Aliases

arxiv: 1307.2726 · arxiv_version: 1307.2726v1 · doi: 10.48550/arxiv.1307.2726 · pith_short_12: 7ZQT4R34S3Y6 · pith_short_16: 7ZQT4R34S3Y6FXOC · pith_short_8: 7ZQT4R34

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/7ZQT4R34S3Y6FXOCYTXYPKHYOU \
  | 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: fe613e477c96f1e2ddc2c4ef87a8f8751ce7800883de0468a91994a6c78c5326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58d25c92bb9afddc1008dc6bd15a900b0948344e6bb002977b0043e85fef189d",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-07-10T09:23:28Z",
    "title_canon_sha256": "ff9e5654408569e4c928e0570c468234113eb4f1ad95e049b50e125d71427ea2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2726",
    "kind": "arxiv",
    "version": 1
  }
}