Pith Number

pith:35YKGJFV

pith:2012:35YKGJFVTYE3ILBHJXZ6GCUYEO

not attested not anchored not stored refs pending

Interstellar Sodium and Calcium Absorption toward SN 2011dh in M51

Adam M. Ritchey, George Wallerstein

arxiv:1202.3156 v1 · 2012-02-14 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{35YKGJFVTYE3ILBHJXZ6GCUYEO}

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	2026-05-18T04:01:01.376828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df70a324b59e09b42c274df3e30a9823ae253762fd6b6576140332cfc931ab0e

Aliases

arxiv: 1202.3156 · arxiv_version: 1202.3156v1 · doi: 10.48550/arxiv.1202.3156 · pith_short_12: 35YKGJFVTYE3 · pith_short_16: 35YKGJFVTYE3ILBH · pith_short_8: 35YKGJFV

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/35YKGJFVTYE3ILBHJXZ6GCUYEO \
  | 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: df70a324b59e09b42c274df3e30a9823ae253762fd6b6576140332cfc931ab0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5aee815e0e10dfe9f091e926297788fd2358c5f6b1ce404b9150f6d437eca2f9",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-02-14T21:40:01Z",
    "title_canon_sha256": "37272b2811a5556d5bdfbe143ff1e3713bb928e9b864ae0ed99a479980e32468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3156",
    "kind": "arxiv",
    "version": 1
  }
}