Pith Number

pith:YEWMGEBY

pith:1997:YEWMGEBY7N5NOECCJ4YLKXHSFM

not attested not anchored not stored refs pending

Warm Neutral Gas at Redshift 3.4

A.M. Wolfe, E. Brinks, F.H. Briggs

arxiv:astro-ph/9701202 v1 · 1997-01-27 · 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{YEWMGEBY7N5NOECCJ4YLKXHSFM}

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	2026-07-04T16:02:50.887054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c12cc31038fb7ad710424f30b55cf22b0ff965e72003737decd4fce581ee0a04

Aliases

arxiv: astro-ph/9701202 · arxiv_version: astro-ph/9701202v1 · doi: 10.48550/arxiv.astro-ph/9701202 · pith_short_12: YEWMGEBY7N5N · pith_short_16: YEWMGEBY7N5NOECC · pith_short_8: YEWMGEBY

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/YEWMGEBY7N5NOECCJ4YLKXHSFM \
  | 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: c12cc31038fb7ad710424f30b55cf22b0ff965e72003737decd4fce581ee0a04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff5827c2ed7ce52f7bcde5555dec2551681d8cb2fbb8c9c4bf2fb50ff5ccee9d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-01-27T09:33:17Z",
    "title_canon_sha256": "000e09a7ece878269546ff02aba3f14397854fd10e6b52004d1f776bb46143b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9701202",
    "kind": "arxiv",
    "version": 1
  }
}