Pith Number

pith:53M4JA3U

pith:2007:53M4JA3U27XOMUXFPDMDKAXNFE

not attested not anchored not stored refs pending

ISO far infrared observations of the high latitude cloud L1642. II. Correlated variations of far-infrared emissivity and temperature of "classical large" dust particles

D. Lemke, D. Russeil, K. Lehtinen, K. Mattila, M. Juvela

arxiv:astro-ph/0701763 v1 · 2007-01-26 · 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{53M4JA3U27XOMUXFPDMDKAXNFE}

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	2026-07-04T17:07:34.814636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eed9c48374d7eee652e578d83502ed2916ea5d1677f64997d29d5cd41d86b28c

Aliases

arxiv: astro-ph/0701763 · arxiv_version: astro-ph/0701763v1 · doi: 10.48550/arxiv.astro-ph/0701763 · pith_short_12: 53M4JA3U27XO · pith_short_16: 53M4JA3U27XOMUXF · pith_short_8: 53M4JA3U

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/53M4JA3U27XOMUXFPDMDKAXNFE \
  | 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: eed9c48374d7eee652e578d83502ed2916ea5d1677f64997d29d5cd41d86b28c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6eed3e8897cf8b3b9b0eea3f565a0bf75a98c9c63dc9487162a241cb788ae73",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-26T10:30:12Z",
    "title_canon_sha256": "77f9133c67fa68c807e34705b8bf0f50a765d0b3b70c692b80d600e16c2cc4d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701763",
    "kind": "arxiv",
    "version": 1
  }
}