Pith Number

pith:TFD4JSW5

pith:2015:TFD4JSW5NNN2GIWC3I6JK5GV43

not attested not anchored not stored refs pending

Concurrent Formation of Carbon and Silicate Dust in Nova V1280 Sco

Akira Arai, Bon-Chul Koo, Fumihiko Usui, Hidenori Takahashi, Itsuki Sakon, Makoto Uemura, Ryou Ohsawa, Shigeyuki Sako, Takahiro Nagayama, Takashi Kozasa, Takashi Onaka, Takashi Shimonishi, Takaya Nozawa, Takuya Fujiyoshi, Yuki Kimura

arxiv:1507.08801 v2 · 2015-07-31 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TFD4JSW5NNN2GIWC3I6JK5GV43}

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	2026-05-18T01:21:31.731499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9947c4cadd6b5ba322c2da3c9574d5e6cfe53e7c8cc9fa45c4bebfa806c31ebc

Aliases

arxiv: 1507.08801 · arxiv_version: 1507.08801v2 · doi: 10.48550/arxiv.1507.08801 · pith_short_12: TFD4JSW5NNN2 · pith_short_16: TFD4JSW5NNN2GIWC · pith_short_8: TFD4JSW5

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/TFD4JSW5NNN2GIWC3I6JK5GV43 \
  | 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: 9947c4cadd6b5ba322c2da3c9574d5e6cfe53e7c8cc9fa45c4bebfa806c31ebc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aad8c280d9773144afe91af54da1a78e7401dcbe40823403d593981b57d069f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-31T08:55:00Z",
    "title_canon_sha256": "c43a8f1042f89166e5b3da06a2ee003566dfce0ba58bfd6fb649d16edcdb8535"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08801",
    "kind": "arxiv",
    "version": 2
  }
}