Pith Number

pith:XT4VCISX

pith:2004:XT4VCISXGSISDODWL6Q2BHAY4M

not attested not anchored not stored refs pending

Spitzer Space Telescope Spectroscopy of Ices toward Low Mass Embedded Protostars

A. Boogert (Caltech), A. Noriega-Crespo (CalTech), A. Sargent (Caltech), C. Dullemond (MPIA), C. Knez (UT), D. Koerner (NAU), D. Padgett, E. van Dishoeck (Leiden), F. Lahuis, F. Schoier, G. Blake, J. Augereau (Leiden), J. Brown (Caltech), J. Jorgensen, J. Kessler-Silacci, K. Pontoppidan, K. Stapelfeldt (JPL), L. Allen (SAO), L. Mundy (UM), M. Hogerheijde (Leiden), N. Evans II (UT), P. Harvey (UT), P. Morris, P. Myers (SAO), T. Brooke, V. Geers

arxiv:astro-ph/0406298 v1 · 2004-06-11 · 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{XT4VCISXGSISDODWL6Q2BHAY4M}

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	2026-07-04T16:43:59.875189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcf9512257349121b8765fa1a09c18e314a79a52f6bc35755378486323f4c7b6

Aliases

arxiv: astro-ph/0406298 · arxiv_version: astro-ph/0406298v1 · doi: 10.48550/arxiv.astro-ph/0406298 · pith_short_12: XT4VCISXGSIS · pith_short_16: XT4VCISXGSISDODW · pith_short_8: XT4VCISX

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/XT4VCISXGSISDODWL6Q2BHAY4M \
  | 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: bcf9512257349121b8765fa1a09c18e314a79a52f6bc35755378486323f4c7b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "317e333d72b92e3dd4b4a0b990724c0d1007536ad7665fbf5baadbb608725167",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-11T20:19:30Z",
    "title_canon_sha256": "363b82576fce679c6cbd4bb673f4886f3bbb8918ee8438659f098fd3b99349cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406298",
    "kind": "arxiv",
    "version": 1
  }
}