Pith Number

pith:J4DOJYS3

pith:2009:J4DOJYS3MCUJQOKTD766GONLRY

not attested not anchored not stored refs pending

Far-infrared Observations of the Very Low-Luminosity Embedded Source L1521F-IRS in the Taurus Star-Forming Region

Alberto Noriega-Crespo, Caer-Eve McCabe, Dean Hines, Deborah L. Padgett, Francois Menard, Gillian R. Knapp, Jean-Louis Monin, Luisa Rebull, Manuel Guedel, Marc Audard, Michel Fich, Misato Fukagawa, Neal J. Evans II, Sean Carey, Susan Terebey, Tim Brooke, Tracy Huard

arxiv:0903.0636 v1 · 2009-03-03 · 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{J4DOJYS3MCUJQOKTD766GONLRY}

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	2026-05-18T04:29:16.183266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f06e4e25b60a89839531ffde339ab8e336faa3fd8322f4753bfad863d6bd27c

Aliases

arxiv: 0903.0636 · arxiv_version: 0903.0636v1 · doi: 10.48550/arxiv.0903.0636 · pith_short_12: J4DOJYS3MCUJ · pith_short_16: J4DOJYS3MCUJQOKT · pith_short_8: J4DOJYS3

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/J4DOJYS3MCUJQOKTD766GONLRY \
  | 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: 4f06e4e25b60a89839531ffde339ab8e336faa3fd8322f4753bfad863d6bd27c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dd3931c6f1fd97690664b3187b4bf74355712a0bf76e38fd8f8ad1ecf20c768",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-03T22:05:30Z",
    "title_canon_sha256": "8d5ba8801285cf89137924ec99920c3b55322058a2fe77dbf4557d4feb08de86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0636",
    "kind": "arxiv",
    "version": 1
  }
}