Pith Number

pith:DT5NYOLW

pith:2015:DT5NYOLW6435SGMK6JKXC2SHFP

not attested not anchored not stored refs pending

Using machine learning to classify the diffuse interstellar bands

Dalya Baron, Darach Watson, Dovi Poznanski, J. Xavier Prochaska, Nick L. J. Cox, Yushu Yao

arxiv:1501.04631 v2 · 2015-01-19 · 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{DT5NYOLW6435SGMK6JKXC2SHFP}

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	2026-05-18T01:35:49.344124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cfadc3976f737d9198af255716a472bd8891cab1ef4049aa8a9ef9e4bbf3eb9

Aliases

arxiv: 1501.04631 · arxiv_version: 1501.04631v2 · doi: 10.48550/arxiv.1501.04631 · pith_short_12: DT5NYOLW6435 · pith_short_16: DT5NYOLW6435SGMK · pith_short_8: DT5NYOLW

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/DT5NYOLW6435SGMK6JKXC2SHFP \
  | 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: 1cfadc3976f737d9198af255716a472bd8891cab1ef4049aa8a9ef9e4bbf3eb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37a23c29b8fa0ec405fbde540f7e155fd1d642703f1af144eb73ce40f3930929",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-19T21:00:14Z",
    "title_canon_sha256": "21fed0bd2aaa7909cec22bff97ce485e5c260d2ea7efd036ce57138c4a0ff592"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04631",
    "kind": "arxiv",
    "version": 2
  }
}