Pith Number

pith:6UOQWZWV

pith:2015:6UOQWZWVAW2IPL3KG2K5HI2MZ7

not attested not anchored not stored refs pending

Constraining the temperature-density relation of the intergalactic medium with the Lyman-$\alpha$ and $\beta$ forests

Elisa Boera, George D. Becker, James S. Bolton, Michael T. Murphy

arxiv:1510.08857 v2 · 2015-10-29 · 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{6UOQWZWVAW2IPL3KG2K5HI2MZ7}

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	2026-05-18T01:24:17.863165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f51d0b66d505b487af6a3695d3a34ccfecaee4a9c9181af02a5716564ef04ce0

Aliases

arxiv: 1510.08857 · arxiv_version: 1510.08857v2 · doi: 10.48550/arxiv.1510.08857 · pith_short_12: 6UOQWZWVAW2I · pith_short_16: 6UOQWZWVAW2IPL3K · pith_short_8: 6UOQWZWV

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/6UOQWZWVAW2IPL3KG2K5HI2MZ7 \
  | 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: f51d0b66d505b487af6a3695d3a34ccfecaee4a9c9181af02a5716564ef04ce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0743193240eee19dcb0f3741dc3ab038a5694893e306c4cb8d2368928a688ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-10-29T20:00:05Z",
    "title_canon_sha256": "0933c9bf5f2add27cc23b6816b448faf7782c0c78be0bebb296e8f72aa67126d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08857",
    "kind": "arxiv",
    "version": 2
  }
}