Pith Number

pith:LSZXCNEW

pith:2008:LSZXCNEWJIQ7A5IIM4ZUTPNGB7

not attested not anchored not stored refs pending

The c2d Spitzer spectroscopy survey of ices around low-mass young stellar objects, III: CH4

A. C. Adwin Boogert, Ewine F. van Dishoeck, Fred Lahuis, Geoffrey A. Blake, Karin I. Oberg, Klaus M. Pontoppidan, Neal J. Evans

arxiv:0801.1223 v1 · 2008-01-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LSZXCNEWJIQ7A5IIM4ZUTPNGB7}

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	2026-05-18T02:16:02.155112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cb37134964a21f07508673349bda60fcabcb5435ef320c8b926bbac5556b636

Aliases

arxiv: 0801.1223 · arxiv_version: 0801.1223v1 · doi: 10.48550/arxiv.0801.1223 · pith_short_12: LSZXCNEWJIQ7 · pith_short_16: LSZXCNEWJIQ7A5II · pith_short_8: LSZXCNEW

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/LSZXCNEWJIQ7A5IIM4ZUTPNGB7 \
  | 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: 5cb37134964a21f07508673349bda60fcabcb5435ef320c8b926bbac5556b636

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7495644317a697cce3cad0d7e8919d7e0f12ef379ff3a28b5cfc3787cc750e63",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-01-08T13:28:14Z",
    "title_canon_sha256": "6aad20143b6862dfca401467411a279faefe31fd6a4bf1c1dd04dcdd1a9154ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1223",
    "kind": "arxiv",
    "version": 1
  }
}