Pith Number

pith:BAUO3JQA

pith:2013:BAUO3JQAHMRJXB7SNFSM5WRL2G

not attested not anchored not stored refs pending

Interstellar Absorption Lines in the Direction of the Cataclysmic Variable SS Cygni

Adam M. Ritchey, George Wallerstein, Jean McKeever

arxiv:1312.1713 v1 · 2013-12-05 · 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{BAUO3JQAHMRJXB7SNFSM5WRL2G}

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	2026-05-18T00:14:07.154660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0828eda6003b229b87f26964ceda2bd18de1263aa17c977eb9f1d8373f80dfaa

Aliases

arxiv: 1312.1713 · arxiv_version: 1312.1713v1 · doi: 10.48550/arxiv.1312.1713 · pith_short_12: BAUO3JQAHMRJ · pith_short_16: BAUO3JQAHMRJXB7S · pith_short_8: BAUO3JQA

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/BAUO3JQAHMRJXB7SNFSM5WRL2G \
  | 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: 0828eda6003b229b87f26964ceda2bd18de1263aa17c977eb9f1d8373f80dfaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f282a76faa2e8605a73ec09e70f1d763e1debc01a9c0a49e8dc84b94a99cb5e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-05T21:40:26Z",
    "title_canon_sha256": "65cded2d9b274714ae688293c533564213e446c0b610314f0bcef7b58f80c023"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1713",
    "kind": "arxiv",
    "version": 1
  }
}