Pith Number

pith:W36GPMS3

pith:2007:W36GPMS3TACMPQH7SH4ZFHBZ6L

not attested not anchored not stored refs pending

Probing the initial conditions of High Mass Star formation -- I. Deuteration and depletion in high mass pre/protocluster clumps

2), (2) Harvard-Smithsonian CfA, (3) University of Exeter, (4) University of British Columbia, (5) University of Hertfordshire), A.G. Gibb (4), F. Wyrowski (1), J. Hatchell (3), M.A. Thompson (5) ((1) Max-Planck-Institut fuer Radioastronomie, T. Pillai (1

arxiv:astro-ph/0702548 v1 · 2007-02-20 · 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{W36GPMS3TACMPQH7SH4ZFHBZ6L}

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	2026-07-04T17:07:41.563500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6fc67b25b9804c7c0ff91f9929c39f2ef23a218a10ed012087b9a3f8bffdc6e

Aliases

arxiv: astro-ph/0702548 · arxiv_version: astro-ph/0702548v1 · doi: 10.48550/arxiv.astro-ph/0702548 · pith_short_12: W36GPMS3TACM · pith_short_16: W36GPMS3TACMPQH7 · pith_short_8: W36GPMS3

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/W36GPMS3TACMPQH7SH4ZFHBZ6L \
  | 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: b6fc67b25b9804c7c0ff91f9929c39f2ef23a218a10ed012087b9a3f8bffdc6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc2e628bd8a181af1fd24c2bbb2159ddb545f48198f7fee456b7e25d11d9592f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-20T23:08:19Z",
    "title_canon_sha256": "e83652041f26e61ef76d653f5deae3eae1c97c9d61e2dafbac5b9a27b804f37d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702548",
    "kind": "arxiv",
    "version": 1
  }
}