Pith Number

pith:L4UKK6HP

pith:2008:L4UKK6HPI26TMRUPMOZI24P2LP

not attested not anchored not stored refs pending

The c2d Spitzer Spectroscopic Survey of Ices Around Low-Mass Young Stellar Objects: I. H2O and the 5-8 um Bands

A. Boogert, A. Crapsi (Leiden), A. Sargent (Caltech), C. Knez (U. Maryland), D. Koerner (NAU), D. Padgett, E. van Dishoeck (Leiden), F. Lahuis (Groningen), G. Blake (Caltech), H. Fraser (Glasgow), J. Augereau (Grenoble), J. Brown (Caltech), J. Jorgensen (SAO), J. Kessler-Silacci (U. Texas), K. Oberg (Leiden), K. Pontoppidan (Caltech), K. Stapelfeldt (JPL), L. Allen (SAO), L. Mundy (U. Maryland), N. Evans II (U. Texas), P. Harvey (U. Texas), S. Bisschop, S. Bottinelli (Leiden), T. Brooke, T. Huard, V. Geers (Leiden)

arxiv:0801.1167 v1 · 2008-01-08 · 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{L4UKK6HPI26TMRUPMOZI24P2LP}

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	2026-05-18T02:35:23.808357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f28a578ef46bd36468f63b28d71fa5bfa286e311224856dbda503c06bd76efc

Aliases

arxiv: 0801.1167 · arxiv_version: 0801.1167v1 · doi: 10.48550/arxiv.0801.1167 · pith_short_12: L4UKK6HPI26T · pith_short_16: L4UKK6HPI26TMRUP · pith_short_8: L4UKK6HP

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/L4UKK6HPI26TMRUPMOZI24P2LP \
  | 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: 5f28a578ef46bd36468f63b28d71fa5bfa286e311224856dbda503c06bd76efc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64cd14a16ac773595819e6dc1f4aa8cc8bfed2fb3d4ccc67eed3d68a014523f9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-01-08T06:57:12Z",
    "title_canon_sha256": "909fa6ebe39c7d1e78480d7439dd225866e42e46e88a8f65ffba9b70bc722004"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1167",
    "kind": "arxiv",
    "version": 1
  }
}