Pith Number

pith:DCHATQGS

pith:2012:DCHATQGS2YPHBTX3S7JAEFEH6F

not attested not anchored not stored refs pending

Aluminium oxide in the optical spectrum of VY Canis Majoris

K. M. Menten, M. R. Schmidt, T. Kaminski

arxiv:1211.4156 v1 · 2012-11-17 · 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{DCHATQGS2YPHBTX3S7JAEFEH6F}

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	2026-05-18T01:53:10.011807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

188e09c0d2d61e70cefb97d2021487f172224d883e628606195c86d5a128f617

Aliases

arxiv: 1211.4156 · arxiv_version: 1211.4156v1 · doi: 10.48550/arxiv.1211.4156 · pith_short_12: DCHATQGS2YPH · pith_short_16: DCHATQGS2YPHBTX3 · pith_short_8: DCHATQGS

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/DCHATQGS2YPHBTX3S7JAEFEH6F \
  | 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: 188e09c0d2d61e70cefb97d2021487f172224d883e628606195c86d5a128f617

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a26620ab6dd80cac921827225e8a78976c6dbca8733acaa33f26ca7d49e80254",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-17T20:19:45Z",
    "title_canon_sha256": "25442d0aec054434c0222552c0d90f2b626a68f2728c290604d35dbaf660cd43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4156",
    "kind": "arxiv",
    "version": 1
  }
}