Pith Number

pith:YSDV6R6R

pith:2019:YSDV6R6R35N6HDHKJUALV4BK6A

not attested not anchored not stored refs pending

The circumgalactic medium in Lyman-alpha: a new constraint on galactic outflow models

Andrew S. Chung, Benedetta Ciardi, Koki Kakiichi, Mark Dijkstra, Thorsten Naab

arxiv:1901.04015 v1 · 2019-01-13 · 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{YSDV6R6R35N6HDHKJUALV4BK6A}

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	2026-05-17T23:55:52.805965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4875f47d1df5be38cea4d00baf02af037f89c9c1eab51b2bced2ec5bfbbe2d8

Aliases

arxiv: 1901.04015 · arxiv_version: 1901.04015v1 · doi: 10.48550/arxiv.1901.04015 · pith_short_12: YSDV6R6R35N6 · pith_short_16: YSDV6R6R35N6HDHK · pith_short_8: YSDV6R6R

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/YSDV6R6R35N6HDHKJUALV4BK6A \
  | 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: c4875f47d1df5be38cea4d00baf02af037f89c9c1eab51b2bced2ec5bfbbe2d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8755589391740db226e9a03541fbf00ff9b08a92f9a215c802e0d670c017b92e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-13T16:46:33Z",
    "title_canon_sha256": "a865d901389d793f112dd16767770e6363e586724e602d09b6023c5b3ab0cc06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04015",
    "kind": "arxiv",
    "version": 1
  }
}