Pith Number

pith:KSOLV3SY

pith:2017:KSOLV3SY4KWSKD4COXKPDO35EK

not attested not anchored not stored refs pending

Constraints on QSO emissivity using H I and He II Lyman alpha forest

Vikram Khaire

arxiv:1702.03937 v2 · 2017-02-13 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KSOLV3SY4KWSKD4COXKPDO35EK}

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.

Cited by

1 paper in Pith

A Measurement of the Thermal and Ionization State of the IGM at $z < 0.5$

Receipt and verification

First computed	2026-05-18T00:24:31.525485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

549cbaee58e2ad250f8275d4f1bb7d228e4cc0a9fd2f65d75da17b3512c12a8e

Aliases

arxiv: 1702.03937 · arxiv_version: 1702.03937v2 · doi: 10.48550/arxiv.1702.03937 · pith_short_12: KSOLV3SY4KWS · pith_short_16: KSOLV3SY4KWSKD4C · pith_short_8: KSOLV3SY

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/KSOLV3SY4KWSKD4COXKPDO35EK \
  | 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: 549cbaee58e2ad250f8275d4f1bb7d228e4cc0a9fd2f65d75da17b3512c12a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79110d9b447fcc9df66145c63ecc6e6dacdf2329473a8c31218525c919b4217d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-13T19:00:06Z",
    "title_canon_sha256": "2a3e91a6e4e78f8b193a2d4ab5ec044be7c67768c3e65bd5074c53d5ff0559da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03937",
    "kind": "arxiv",
    "version": 2
  }
}