Pith Number

pith:WSWK5OUQ

pith:2017:WSWK5OUQHYUUGKISW6OIXYANFL

not attested not anchored not stored refs pending

A Principal component analysis of the diffuse interstellar bands

Andrea Soddu, Jan Cami, Neil H. Bhatt, Tiffany Ensor

arxiv:1701.06180 v1 · 2017-01-22 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WSWK5OUQHYUUGKISW6OIXYANFL}

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	2026-05-18T00:50:17.041837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4acaeba903e29432912b79c8be00d2af53dee029f680bdf0be5c388f294d82b

Aliases

arxiv: 1701.06180 · arxiv_version: 1701.06180v1 · doi: 10.48550/arxiv.1701.06180 · pith_short_12: WSWK5OUQHYUU · pith_short_16: WSWK5OUQHYUUGKIS · pith_short_8: WSWK5OUQ

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/WSWK5OUQHYUUGKISW6OIXYANFL \
  | 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: b4acaeba903e29432912b79c8be00d2af53dee029f680bdf0be5c388f294d82b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68f61b6bb93ec36cbafbad900d106ebc6c88c97fcc2326d6999fec325de41286",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-22T16:09:54Z",
    "title_canon_sha256": "b4438097251ee12c94f66a80c86d26aa6f0ec5951a92a934d37b6ffce2c386f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06180",
    "kind": "arxiv",
    "version": 1
  }
}