Pith Number

pith:NTAKJHTQ

pith:2015:NTAKJHTQDWBARFQ2NCJ7PHOD7Y

not attested not anchored not stored refs pending

Pressure Shift and Gravitational Red Shift of Balmer Lines in White Dwarfs. Rediscussion

B. Grabowski, J. Halenka, J. Madej, W. Olchawa

arxiv:1506.04064 v1 · 2015-06-12 · 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{NTAKJHTQDWBARFQ2NCJ7PHOD7Y}

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	2026-05-18T01:35:46.982640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cc0a49e701d8208961a6893f79dc3fe31366ec448b7f8e1a8ad01285deafc3f

Aliases

arxiv: 1506.04064 · arxiv_version: 1506.04064v1 · doi: 10.48550/arxiv.1506.04064 · pith_short_12: NTAKJHTQDWBA · pith_short_16: NTAKJHTQDWBARFQ2 · pith_short_8: NTAKJHTQ

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/NTAKJHTQDWBARFQ2NCJ7PHOD7Y \
  | 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: 6cc0a49e701d8208961a6893f79dc3fe31366ec448b7f8e1a8ad01285deafc3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da2767e87688a935f3d2ced0717db40171d38d51a96c3b12f771c89077ad27bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-12T16:44:56Z",
    "title_canon_sha256": "8e65ad7af23a70574d14ba24a70f5b81b7c745f88bbe04bcb6a1ed7ee7e6bd66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04064",
    "kind": "arxiv",
    "version": 1
  }
}