Pith Number

pith:IQEVSRC6

pith:2009:IQEVSRC6AJZCLAXGY5K74XJJMC

not attested not anchored not stored refs pending

A Catalog of Near Infrared Spectra from Type Ia Supernovae

C. L. Gerardy, E. L. Robinson, G. H. Marion, J.C. Wheeler, P. Hoeflich, W. D. Vacca

arxiv:0906.4085 v1 · 2009-06-22 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQEVSRC6AJZCLAXGY5K74XJJMC}

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	2026-05-18T02:13:13.379676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

440959445e02722582e6c755fe5d2960a8b94237d464290693f15af2a380212f

Aliases

arxiv: 0906.4085 · arxiv_version: 0906.4085v1 · doi: 10.48550/arxiv.0906.4085 · pith_short_12: IQEVSRC6AJZC · pith_short_16: IQEVSRC6AJZCLAXG · pith_short_8: IQEVSRC6

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/IQEVSRC6AJZCLAXGY5K74XJJMC \
  | 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: 440959445e02722582e6c755fe5d2960a8b94237d464290693f15af2a380212f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0eb314d2e494d0cb6973c5ef3479fac551657d8464553547d00e817d4dcd246",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-22T18:11:30Z",
    "title_canon_sha256": "261e5629631cd7382fc19d7fb2558c1f3d526375ca8b892f2f6309a750ce7b51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4085",
    "kind": "arxiv",
    "version": 1
  }
}