Pith Number

pith:JMUN7Q24

pith:2012:JMUN7Q24ZNLXEKLGCXNAC655OT

not attested not anchored not stored refs pending

The Opacity of the Intergalactic Medium During Reionization: Resolving Small-Scale Structure

J.D. Emberson, Marcelo A. Alvarez, Rajat M. Thomas

arxiv:1208.3679 v2 · 2012-08-17 · 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{JMUN7Q24ZNLXEKLGCXNAC655OT}

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	2026-05-18T03:10:12.118191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b28dfc35ccb5772296615da017bbd74cb7f58bcdd49586d2dcbf26f187ac6d4

Aliases

arxiv: 1208.3679 · arxiv_version: 1208.3679v2 · doi: 10.48550/arxiv.1208.3679 · pith_short_12: JMUN7Q24ZNLX · pith_short_16: JMUN7Q24ZNLXEKLG · pith_short_8: JMUN7Q24

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/JMUN7Q24ZNLXEKLGCXNAC655OT \
  | 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: 4b28dfc35ccb5772296615da017bbd74cb7f58bcdd49586d2dcbf26f187ac6d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d985008cc859c6d0f27111b55a46c2ebc92ccb92ebdbb22f893e3b7ef349a995",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-17T20:00:07Z",
    "title_canon_sha256": "f9c3e3fe5b15be0dd335a0d4e085b18cfee01967edf4fee604ceabc4c884cc60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3679",
    "kind": "arxiv",
    "version": 2
  }
}