Pith Number

pith:CNBNXT5C

pith:2018:CNBNXT5CYSQTWJQQ6P65RO2L6X

not attested not anchored not stored refs pending

Metals and dust in the neutral ISM: the Galaxy, Magellanic Clouds, and damped Lyman-{\alpha} absorbers

Annalisa De Cia

arxiv:1805.05365 v1 · 2018-05-14 · 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{CNBNXT5CYSQTWJQQ6P65RO2L6X}

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	2026-05-18T00:15:13.224562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1342dbcfa2c4a13b2610f3fdd8bb4bf5eab55ff713b932ffd7e91e06dca9bd86

Aliases

arxiv: 1805.05365 · arxiv_version: 1805.05365v1 · doi: 10.48550/arxiv.1805.05365 · pith_short_12: CNBNXT5CYSQT · pith_short_16: CNBNXT5CYSQTWJQQ · pith_short_8: CNBNXT5C

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/CNBNXT5CYSQTWJQQ6P65RO2L6X \
  | 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: 1342dbcfa2c4a13b2610f3fdd8bb4bf5eab55ff713b932ffd7e91e06dca9bd86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73f76dfe1ae363957c5711c53b0a0d672c54ab17ce02b2466f1165c273286f1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-14T18:06:36Z",
    "title_canon_sha256": "7d450edfc91243db4f9c64cf2820075432c43d244e1679bfe17320de35891964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05365",
    "kind": "arxiv",
    "version": 1
  }
}