Pith Number

pith:W5VRN5Y6

pith:2015:W5VRN5Y6ROJQ6PHZMKEN266VXT

not attested not anchored not stored refs pending

Laboratory Measurements of White Dwarf Photospheric Spectral Lines: H$\beta$

D. E. Winget, G. A. Rochau, J. E. Bailey, M. H. Montgomery, Ross E. Falcon, T. A. Gomez, T. Nagayama

arxiv:1505.03801 v1 · 2015-05-14 · 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{W5VRN5Y6ROJQ6PHZMKEN266VXT}

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	2026-05-18T01:42:47.443070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b76b16f71e8b930f3cf96288dd7bd5bcf194ebdc556b2e160047f43763241c06

Aliases

arxiv: 1505.03801 · arxiv_version: 1505.03801v1 · doi: 10.48550/arxiv.1505.03801 · pith_short_12: W5VRN5Y6ROJQ · pith_short_16: W5VRN5Y6ROJQ6PHZ · pith_short_8: W5VRN5Y6

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/W5VRN5Y6ROJQ6PHZMKEN266VXT \
  | 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: b76b16f71e8b930f3cf96288dd7bd5bcf194ebdc556b2e160047f43763241c06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daa0fd86ed3b2da4c1ce54867c56a2385ec74207cf02d7d7d6186745a2cde96e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-14T17:19:02Z",
    "title_canon_sha256": "06dde39bfd00a7b8de499b27abe5b828cec9fec835e8fd6bd155330cb436e085"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03801",
    "kind": "arxiv",
    "version": 1
  }
}