Pith Number

pith:NA5HYV5P

pith:1995:NA5HYV5PEHYTXAZOHSSTRCRYIF

not attested not anchored not stored refs pending

ON BLUE STRAGGLER FORMATION BY DIRECT COLLISIONS OF MAIN-SEQUENCE STARS

Frederic A. Rasio, James C. Lombardi, Jr., Stuart L. Shapiro

arxiv:astro-ph/9502106 v1 · 1995-02-28 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NA5HYV5PEHYTXAZOHSSTRCRYIF}

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	2026-05-18T03:47:42.891930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

683a7c57af21f13b832e3ca5388a384166695084e8a6519c598d49c59a325f0a

Aliases

arxiv: astro-ph/9502106 · arxiv_version: astro-ph/9502106v1 · doi: 10.48550/arxiv.astro-ph/9502106 · pith_short_12: NA5HYV5PEHYT · pith_short_16: NA5HYV5PEHYTXAZO · pith_short_8: NA5HYV5P

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/NA5HYV5PEHYTXAZOHSSTRCRYIF \
  | 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: 683a7c57af21f13b832e3ca5388a384166695084e8a6519c598d49c59a325f0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ae283cde20920fd5db81ee955522562704eb95702b8576d45959eb3f435bda7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-02-28T16:21:10Z",
    "title_canon_sha256": "cca94613cb191e801ea7fd577446151c52aa39a550a32ac776bd96f2ce1ae88a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9502106",
    "kind": "arxiv",
    "version": 1
  }
}