Pith Number

pith:EPBBT3EM

pith:2014:EPBBT3EMUQBAZRD4U7GBWPN6PB

not attested not anchored not stored refs pending

The Discovery of a Very Massive Star in W49

Andrea Stolte, Anna Pasquali, Arjan Bik, Shi-Wei Wu, Thomas Henning, Wolfgang Brandner

arxiv:1407.4804 v1 · 2014-07-17 · astro-ph.SR · 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{EPBBT3EMUQBAZRD4U7GBWPN6PB}

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	2026-05-18T02:43:34.269928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23c219ec8ca4020cc47ca7cc1b3dbe7855d211356d006c1f6e06efd6fe4e8928

Aliases

arxiv: 1407.4804 · arxiv_version: 1407.4804v1 · doi: 10.48550/arxiv.1407.4804 · pith_short_12: EPBBT3EMUQBA · pith_short_16: EPBBT3EMUQBAZRD4 · pith_short_8: EPBBT3EM

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/EPBBT3EMUQBAZRD4U7GBWPN6PB \
  | 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: 23c219ec8ca4020cc47ca7cc1b3dbe7855d211356d006c1f6e06efd6fe4e8928

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dacc20edbd54dc4b145c7d5576d18d4f8509070c1b7656a07c14cf54adf2707",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-07-17T20:00:05Z",
    "title_canon_sha256": "8a5c151afefc482a69aef46dc9e2e5967f5dc368738306ebcf7b0e46b6e16fa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4804",
    "kind": "arxiv",
    "version": 1
  }
}