Pith Number

pith:F26UTGFF

pith:2013:F26UTGFFY3EXZTMMKZ4FVIIX3U

not attested not anchored not stored refs pending

Absence of hot gas within the Wolft-Rayet Bubble around WR16

J.A. Toal\'a, M.A. Guerrero

arxiv:1309.0236 v2 · 2013-09-01 · 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{F26UTGFFY3EXZTMMKZ4FVIIX3U}

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	2026-05-18T01:47:50.919941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ebd4998a5c6c97ccd8c56785aa117dd0b67b4814a9dc696fa9b5921665f53e1

Aliases

arxiv: 1309.0236 · arxiv_version: 1309.0236v2 · doi: 10.48550/arxiv.1309.0236 · pith_short_12: F26UTGFFY3EX · pith_short_16: F26UTGFFY3EXZTMM · pith_short_8: F26UTGFF

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/F26UTGFFY3EXZTMMKZ4FVIIX3U \
  | 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: 2ebd4998a5c6c97ccd8c56785aa117dd0b67b4814a9dc696fa9b5921665f53e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37962623958c71ddf23bc244e87e8a604a9ffde20d7eac8d432b63cc51d3deed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-01T16:13:14Z",
    "title_canon_sha256": "d85e384246f067a0c91bdb740325766143b7ec85f3bd0130d94d75bfb39d5f23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0236",
    "kind": "arxiv",
    "version": 2
  }
}