Pith Number

pith:4ZFKEW5K

pith:2014:4ZFKEW5KRP3J5GBO2ZT7QXEVVS

not attested not anchored not stored refs pending

Shockingly low water abundances in Herschel / PACS observations of low-mass protostars in Perseus

A. Gusdorf, A. Karska, B. Nisini, D.A. Neufeld, D. Fedele, E.F. van Dishoeck, G.J. Herczeg, G.J. Melnick, G. Santangelo, J.C. Mottram, J.K. Jorgensen, L.E. Kristensen, M.J. Kaufman, M.N. Drozdovskaya, M. Tafalla, N.J. Evans II, S. Bruderer, S. Cabrit, S.F. Wampfler

arxiv:1409.4658 v1 · 2014-09-16 · 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{4ZFKEW5KRP3J5GBO2ZT7QXEVVS}

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	2026-05-18T02:34:51.710718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e64aa25baa8bf69e982ed667f85c95ac93259675c5e280e52864b38695c67167

Aliases

arxiv: 1409.4658 · arxiv_version: 1409.4658v1 · doi: 10.48550/arxiv.1409.4658 · pith_short_12: 4ZFKEW5KRP3J · pith_short_16: 4ZFKEW5KRP3J5GBO · pith_short_8: 4ZFKEW5K

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/4ZFKEW5KRP3J5GBO2ZT7QXEVVS \
  | 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: e64aa25baa8bf69e982ed667f85c95ac93259675c5e280e52864b38695c67167

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d3480eae816832460f8a987200fd1e0b5f555eabcd24d620f49671dda4068f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-09-16T14:38:45Z",
    "title_canon_sha256": "2b30997fe65b81cb919ee95257bf3397b15382bcd88da97b4a79cb3e9c27e1db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4658",
    "kind": "arxiv",
    "version": 1
  }
}