Pith Number

pith:SFB3WEO3

pith:2014:SFB3WEO3AQHIJ65LJFCHW2MQ3I

not attested not anchored not stored refs pending

HST/COS Detection of Deuterated Molecular Hydrogen in a DLA at z = 0.18

Christopher Thom, Cristina M. Oliveira, Jason Tumlinson, John O'Meara, Kenneth R. Sembach

arxiv:1401.4199 v1 · 2014-01-16 · 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{SFB3WEO3AQHIJ65LJFCHW2MQ3I}

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	2026-05-18T01:45:19.820961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9143bb11db040e84fbab49447b6990da033a3219c0433e1a42d38427061bade2

Aliases

arxiv: 1401.4199 · arxiv_version: 1401.4199v1 · doi: 10.48550/arxiv.1401.4199 · pith_short_12: SFB3WEO3AQHI · pith_short_16: SFB3WEO3AQHIJ65L · pith_short_8: SFB3WEO3

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/SFB3WEO3AQHIJ65LJFCHW2MQ3I \
  | 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: 9143bb11db040e84fbab49447b6990da033a3219c0433e1a42d38427061bade2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "864693f2a97ebe6e8fa4d8b02fd3702c95d7b3c1213708e792b82ad55063291f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-16T23:36:01Z",
    "title_canon_sha256": "95403f6b7a97e92d405f72532d4ffb4d7c9499bcb5e09437c2d202871f3c3641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4199",
    "kind": "arxiv",
    "version": 1
  }
}