Pith Number

pith:ZW5JNULB

pith:2023:ZW5JNULB3XQHA4WBFBUIHA6LRK

not attested not anchored not stored refs pending

Herbig Stars: A Quarter Century of Progress

Gwendolyn Meeus, Inga Kamp, L. B. F. M. Waters, Ren\'e D. Oudmaijer, Sean D. Brittain

arxiv:2301.01165 v2 · 2023-01-03 · astro-ph.SR · astro-ph.EP · 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{ZW5JNULB3XQHA4WBFBUIHA6LRK}

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	2026-07-05T09:33:23.825493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdba96d161dde07072c128688383cb8a869a53cfde998f2244c7258c7607260c

Aliases

arxiv: 2301.01165 · arxiv_version: 2301.01165v2 · doi: 10.48550/arxiv.2301.01165 · pith_short_12: ZW5JNULB3XQH · pith_short_16: ZW5JNULB3XQHA4WB · pith_short_8: ZW5JNULB

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/ZW5JNULB3XQHA4WBFBUIHA6LRK \
  | 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: cdba96d161dde07072c128688383cb8a869a53cfde998f2244c7258c7607260c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d838b2535ddc263c90ba89e2a2329ad9337a23e55bf4c18a08dd92e736685a55",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-01-03T15:49:45Z",
    "title_canon_sha256": "b6c68ca341dd924978ff9973dc4b7257ce665440053498ff20508f27e4272321"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.01165",
    "kind": "arxiv",
    "version": 2
  }
}