Pith Number

pith:2PQLFJCN

pith:2017:2PQLFJCNGMGJ6NS4WHYH2KIDB2

not attested not anchored not stored refs pending

A precise deuterium abundance: Re-measurement of the z=3.572 absorption system towards the quasar PKS1937-101

J. K. Webb, K. Ali, M. T. Murphy, R. F. Carswell, S. Kotu\v{s}, S. Riemer-S{\o}rensen, V. Dumont

arxiv:1703.06656 v1 · 2017-03-20 · 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{2PQLFJCNGMGJ6NS4WHYH2KIDB2}

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

Bipartite Solution to the Lithium Problem

Receipt and verification

First computed	2026-05-18T00:45:11.105943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3e0b2a44d330c9f365cb1f07d29030e815b591a7e0e9e95ec1bd42c5d784b02

Aliases

arxiv: 1703.06656 · arxiv_version: 1703.06656v1 · doi: 10.48550/arxiv.1703.06656 · pith_short_12: 2PQLFJCNGMGJ · pith_short_16: 2PQLFJCNGMGJ6NS4 · pith_short_8: 2PQLFJCN

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/2PQLFJCNGMGJ6NS4WHYH2KIDB2 \
  | 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: d3e0b2a44d330c9f365cb1f07d29030e815b591a7e0e9e95ec1bd42c5d784b02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6d2d012aa3943867e7ade5caaa23e5c8dba3ffdca971a49ae953906ad3f10bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-03-20T10:20:54Z",
    "title_canon_sha256": "c4dad03d0c776ebdc2707655320d797bf15f7684e3ae67a91ef159cf242ffcb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06656",
    "kind": "arxiv",
    "version": 1
  }
}