Pith Number

pith:OGTOYNQU

pith:2004:OGTOYNQUASWPBBLFTLC7ZIGEQW

not attested not anchored not stored refs pending

V1647 Orionis (IRAS 05436-0007) : A New Look at McNeil's Nebula

C. Nagashima, D. Baba, D. Kato, D.K. Ojha, K. Sugitani, M. Fukagawa, M. Kurita, M. Tamura, N. Kusakabe, S. Sato, T. Nagata, T. Nagayama, Y. Nakajima

arxiv:astro-ph/0412455 v1 · 2004-12-17 · 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{OGTOYNQUASWPBBLFTLC7ZIGEQW}

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	2026-05-18T01:40:34.676959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71a6ec361404acf085659ac5fca0c485aa90a58f2a94691a8b58693ec3bbfc8d

Aliases

arxiv: astro-ph/0412455 · arxiv_version: astro-ph/0412455v1 · doi: 10.48550/arxiv.astro-ph/0412455 · pith_short_12: OGTOYNQUASWP · pith_short_16: OGTOYNQUASWPBBLF · pith_short_8: OGTOYNQU

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/OGTOYNQUASWPBBLFTLC7ZIGEQW \
  | 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: 71a6ec361404acf085659ac5fca0c485aa90a58f2a94691a8b58693ec3bbfc8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ef11fa3c4db48086090de143cdbd8f20e230ab2cbb5ff1bfd192bbc3464b713",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-17T10:21:46Z",
    "title_canon_sha256": "d1febc9028db5484a1da14fe06d6cd7f10709352e5cf01c0d645587ef385bd25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412455",
    "kind": "arxiv",
    "version": 1
  }
}