Pith Number

pith:LDYXKUWN

pith:2017:LDYXKUWNGJNNQP6NM3LGZV3HOW

not attested not anchored not stored refs pending

Using photo-ionisation models to derive carbon and oxygen gas-phase abundances in the rest UV

Enrique P\'erez-Montero, Ricardo Amor\'in

arxiv:1701.04411 v2 · 2017-01-16 · 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{LDYXKUWNGJNNQP6NM3LGZV3HOW}

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	2026-05-18T00:48:59.463640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58f17552cd325ad83fcd66d66cd7677591855cb0a346277153cfefbf601a9a13

Aliases

arxiv: 1701.04411 · arxiv_version: 1701.04411v2 · doi: 10.48550/arxiv.1701.04411 · pith_short_12: LDYXKUWNGJNN · pith_short_16: LDYXKUWNGJNNQP6N · pith_short_8: LDYXKUWN

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/LDYXKUWNGJNNQP6NM3LGZV3HOW \
  | 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: 58f17552cd325ad83fcd66d66cd7677591855cb0a346277153cfefbf601a9a13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53a89303c62a2b1da147b2bd38e8c3eaf07900195c8800ee2e1b539faa627a0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-16T19:00:09Z",
    "title_canon_sha256": "110e19f89988274c4ee9b9fbc4b89ac77b28621d904f876779a30fd7e924d858"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04411",
    "kind": "arxiv",
    "version": 2
  }
}