Pith Number

pith:GGUZA7GI

pith:2005:GGUZA7GIBWFLUQW5YKEVJ6UZLU

not attested not anchored not stored refs pending

Spitzer Mid-infrared Spectroscopy of Ices Toward Extincted Background Stars

A.C.A. Boogert, C. Knez, E.F. van Dishoeck, F. Lahuis, G.A. Blake, J.-C. Augereau, J.E. Kessler-Silacci, K.M. Pontoppidan, N.J. Evans II

arxiv:astro-ph/0511467 v1 · 2005-11-15 · 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{GGUZA7GIBWFLUQW5YKEVJ6UZLU}

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	2026-07-04T17:15:27.246441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31a9907cc80d8aba42ddc28954fa995d33f49e022ef966f407e99012b7d1b82d

Aliases

arxiv: astro-ph/0511467 · arxiv_version: astro-ph/0511467v1 · doi: 10.48550/arxiv.astro-ph/0511467 · pith_short_12: GGUZA7GIBWFL · pith_short_16: GGUZA7GIBWFLUQW5 · pith_short_8: GGUZA7GI

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/GGUZA7GIBWFLUQW5YKEVJ6UZLU \
  | 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: 31a9907cc80d8aba42ddc28954fa995d33f49e022ef966f407e99012b7d1b82d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50701272f0d47f2ef43d9ecca8afd4fb866de6529e381b1e077f9fbeecba0446",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-11-15T23:26:39Z",
    "title_canon_sha256": "4682d7837d706568e7a5ee0fa821f5cab450839a5df7858b9fae95ff2be33d5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0511467",
    "kind": "arxiv",
    "version": 1
  }
}