Pith Number

pith:VY3NR2YA

pith:2016:VY3NR2YAQLHNB3VIWBR4D2WHAP

not attested not anchored not stored refs pending

Inferring the evolutionary stages of the internal structures of NGC 7538 S and IRS1 from chemistry

D. Semenov, E. A. C. Mills, H. Beuther, H. Linz, R. Teague, S. Feng, Th. Henning

arxiv:1605.03960 v2 · 2016-05-12 · 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{VY3NR2YAQLHNB3VIWBR4D2WHAP}

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	2026-05-18T01:04:44.868736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae36d8eb0082ced0eea8b063c1eac703f4aba979d2cd346c1416ac6d19b936d7

Aliases

arxiv: 1605.03960 · arxiv_version: 1605.03960v2 · doi: 10.48550/arxiv.1605.03960 · pith_short_12: VY3NR2YAQLHN · pith_short_16: VY3NR2YAQLHNB3VI · pith_short_8: VY3NR2YA

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/VY3NR2YAQLHNB3VIWBR4D2WHAP \
  | 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: ae36d8eb0082ced0eea8b063c1eac703f4aba979d2cd346c1416ac6d19b936d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac4494ce2b9337589c9167cd1b5afb631a771e48240c077c1ba9bb3a6fd7d55a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-05-12T20:00:00Z",
    "title_canon_sha256": "e305b86f242c7a4f14d4da6185e419835a408104863f497525d096d69a7fb79b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03960",
    "kind": "arxiv",
    "version": 2
  }
}