Pith Number

pith:S7JX37GP

pith:2006:S7JX37GPYJGNR2YA5MSLH44QFJ

not attested not anchored not stored refs pending

The Spitzer c2d Survey of Large, Nearby, Interstellar Clouds. III. Perseus Observed with IRAC

Alicia Porras, Anneila I. Sargent, David W. Koerner, Deborah L. Padgett, Ewine F. van Dishoeck, Geoffrey A. Blake, Jes K. Jorgensen, Kaisa E. Young, Karl R. Stapelfeldt, Lee G. Mundy, Lori E. Allen, Lucas Cieza, Luisa Rebull, Neal J. Evans II, Nicholas Chapman, Paul M. Harvey, Philip C. Myers, Shih-Ping Lai, Tracy L. Huard, Tyler L. Bourke, William Spiesman, Zahed Wahhaj

arxiv:astro-ph/0603547 v1 · 2006-03-21 · 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{S7JX37GPYJGNR2YA5MSLH44QFJ}

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	2026-05-18T04:25:12.042713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97d37dfccfc24cd8eb00eb24b3f3902a66b9732ebdf20a2e04f65ee22e01054b

Aliases

arxiv: astro-ph/0603547 · arxiv_version: astro-ph/0603547v1 · doi: 10.48550/arxiv.astro-ph/0603547 · pith_short_12: S7JX37GPYJGN · pith_short_16: S7JX37GPYJGNR2YA · pith_short_8: S7JX37GP

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/S7JX37GPYJGNR2YA5MSLH44QFJ \
  | 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: 97d37dfccfc24cd8eb00eb24b3f3902a66b9732ebdf20a2e04f65ee22e01054b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b935879b64924f588de70435cf33086daf6b4dceba7b9e046167d9a332987604",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-03-21T00:35:58Z",
    "title_canon_sha256": "605c965ad24450918cf295b02c6deffb646fd7bdc46fbb6160007db3fe73136f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0603547",
    "kind": "arxiv",
    "version": 1
  }
}