Pith Number

pith:EZUW5Z2B

pith:2001:EZUW5Z2B64LPXJXFTGXN6534ZP

not attested not anchored not stored refs pending

Observational Constraints on the Formation and Evolution of Binary Stars

2), (2) University of California, A. M. Ghez (2) ((1) University of Texas, Austin, Los Angeles), R. J. White (1

arxiv:astro-ph/0103098 v1 · 2001-03-06 · 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{EZUW5Z2B64LPXJXFTGXN6534ZP}

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	2026-07-04T16:22:50.055813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26696ee741f716fba6e599aedf777ccbc10fc22336e3e2aea29a9aa17ed250e0

Aliases

arxiv: astro-ph/0103098 · arxiv_version: astro-ph/0103098v1 · doi: 10.48550/arxiv.astro-ph/0103098 · pith_short_12: EZUW5Z2B64LP · pith_short_16: EZUW5Z2B64LPXJXF · pith_short_8: EZUW5Z2B

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/EZUW5Z2B64LPXJXFTGXN6534ZP \
  | 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: 26696ee741f716fba6e599aedf777ccbc10fc22336e3e2aea29a9aa17ed250e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1a9c982d19fdd1bc6db56fe34aa6f8e7ed47eabe3938ba1047064023a0b7aad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-03-06T22:13:50Z",
    "title_canon_sha256": "8f4d03bea268f16510b589476404d127f174593abb17e857ea9356ad9b4ccc65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0103098",
    "kind": "arxiv",
    "version": 1
  }
}