Pith Number

pith:G7CAWJ7N

pith:2009:G7CAWJ7N54WPEXV6QZZQPSL2JR

not attested not anchored not stored refs pending

Discovery of Multiple High-Velocity Narrow Circumstellar Na I D Lines in Nova V1280 Sco

Akira Arai, Akito Tajitsu, Hiroyuki Naito, Kozo Sadakane, Sahori Mizoguchi

arxiv:0911.5229 v1 · 2009-11-27 · 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{G7CAWJ7N54WPEXV6QZZQPSL2JR}

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	2026-05-18T02:10:36.255506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37c40b27edef2cf25ebe867307c97a4c774f34cf9fdee6d98a79669f13b4e2fa

Aliases

arxiv: 0911.5229 · arxiv_version: 0911.5229v1 · doi: 10.48550/arxiv.0911.5229 · pith_short_12: G7CAWJ7N54WP · pith_short_16: G7CAWJ7N54WPEXV6 · pith_short_8: G7CAWJ7N

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/G7CAWJ7N54WPEXV6QZZQPSL2JR \
  | 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: 37c40b27edef2cf25ebe867307c97a4c774f34cf9fdee6d98a79669f13b4e2fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cea2c8f438ee6ed164c9799e37990388f2d8947944fb4c22a028918d19bb6c60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-27T10:08:17Z",
    "title_canon_sha256": "33923c2237ecd8ece82c3c44eda57bca574b6881008299ac31dd2d99b2e1572e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.5229",
    "kind": "arxiv",
    "version": 1
  }
}