Pith Number

pith:GJIVBWKK

pith:2009:GJIVBWKKQD3KIP5RRLYGGZPIMI

not attested not anchored not stored refs pending

Circumstellar Shells in Absorption in Type Ia Supernovae

J. M. Blondin, K. J. Borkowski, S. P. Reynolds

arxiv:0905.3753 v2 · 2009-05-22 · 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{GJIVBWKKQD3KIP5RRLYGGZPIMI}

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	2026-05-18T04:29:42.956816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

325150d94a80f6a43fb18af06365e8621047b728765e8439a5e2216cdc451109

Aliases

arxiv: 0905.3753 · arxiv_version: 0905.3753v2 · doi: 10.48550/arxiv.0905.3753 · pith_short_12: GJIVBWKKQD3K · pith_short_16: GJIVBWKKQD3KIP5R · pith_short_8: GJIVBWKK

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/GJIVBWKKQD3KIP5RRLYGGZPIMI \
  | 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: 325150d94a80f6a43fb18af06365e8621047b728765e8439a5e2216cdc451109

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68bd6cedac500ed30ba8891de0db048bbd395668ab6922ef1f5648d195d18581",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-05-22T20:34:59Z",
    "title_canon_sha256": "b9434c7093b379c774e08e3efa55ec3f7026842062d09168700e505b4bf925f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3753",
    "kind": "arxiv",
    "version": 2
  }
}