Pith Number

pith:VMMAAPLH

pith:2001:VMMAAPLHUDLWUWBTDBTSOMTVNH

not attested not anchored not stored refs pending

ISO-LWS two colour diagram of young stellar objects

et al, S. Pezzuto

arxiv:astro-ph/0111270 v1 · 2001-11-14 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VMMAAPLHUDLWUWBTDBTSOMTVNH}

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	2026-05-18T01:07:45.285022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab18003d67a0d76a5833186727327569d1809396fc1d6c3dd1da623f7edffa0e

Aliases

arxiv: astro-ph/0111270 · arxiv_version: astro-ph/0111270v1 · doi: 10.48550/arxiv.astro-ph/0111270 · pith_short_12: VMMAAPLHUDLW · pith_short_16: VMMAAPLHUDLWUWBT · pith_short_8: VMMAAPLH

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/VMMAAPLHUDLWUWBTDBTSOMTVNH \
  | 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: ab18003d67a0d76a5833186727327569d1809396fc1d6c3dd1da623f7edffa0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc3060c100b55ac41c2df894282512dd28c4e7886a99ea6a3d2a04087ea0b4ab",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-14T14:10:42Z",
    "title_canon_sha256": "a7178d8edfe4073433cdcf67ab0e44cf83bd23d59f21657e4d6fd0ca0aad7520"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111270",
    "kind": "arxiv",
    "version": 1
  }
}