Pith Number

pith:ZFBEAEPZ

pith:2011:ZFBEAEPZ4TAWBA6RUZ6AAL4D4U

not attested not anchored not stored refs pending

Red Eyes on Wolf-Rayet Stars: 60 New Discoveries via Infrared Color Selection

Jon C. Mauerhan, Patrick. W. Morris, Schuyler D. Van Dyk

arxiv:1105.5134 v3 · 2011-05-25 · astro-ph.GA · 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{ZFBEAEPZ4TAWBA6RUZ6AAL4D4U}

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	2026-05-18T02:01:50.763734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9424011f9e4c16083d1a67c002f83e5019939d36d55464f697a1101fedb68b1

Aliases

arxiv: 1105.5134 · arxiv_version: 1105.5134v3 · doi: 10.48550/arxiv.1105.5134 · pith_short_12: ZFBEAEPZ4TAW · pith_short_16: ZFBEAEPZ4TAWBA6R · pith_short_8: ZFBEAEPZ

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/ZFBEAEPZ4TAWBA6RUZ6AAL4D4U \
  | 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: c9424011f9e4c16083d1a67c002f83e5019939d36d55464f697a1101fedb68b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba478de24256ba50d73825fee036d991e8ad964a85c443fd12aa15f36ab2edb6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-05-25T20:00:00Z",
    "title_canon_sha256": "ad2ec8e2cf1263525b69a2f728c88ea025db27cfc1c8bdad0dd62d63332712a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5134",
    "kind": "arxiv",
    "version": 3
  }
}