Pith Number

pith:LBETJUP3

pith:2011:LBETJUP3X5DWZM4NM4B6ZIUFBX

not attested not anchored not stored refs pending

Four Decades of IRC +10216: Evolution of a Carbon Rich Dust Shell Resolved at 10 microns with MMT Adaptive Optics and MIRAC4

Andrew J. Skemer, Jared R. Males, Laird M. Close, Massimo Marengo, Philip M. Hinz, William F. Hoffmann

arxiv:1111.4687 v1 · 2011-11-20 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LBETJUP3X5DWZM4NM4B6ZIUFBX}

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	2026-05-18T01:59:28.829350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

584934d1fbbf476cb38d6703eca2850dff2bd9392c06a2f02b05bec8f48041d8

Aliases

arxiv: 1111.4687 · arxiv_version: 1111.4687v1 · doi: 10.48550/arxiv.1111.4687 · pith_short_12: LBETJUP3X5DW · pith_short_16: LBETJUP3X5DWZM4N · pith_short_8: LBETJUP3

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/LBETJUP3X5DWZM4NM4B6ZIUFBX \
  | 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: 584934d1fbbf476cb38d6703eca2850dff2bd9392c06a2f02b05bec8f48041d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc016c5592f2be36ccc5403d68840f56601395a9d0e02c169310f5cbdebfb5dd",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-20T21:54:36Z",
    "title_canon_sha256": "d4e35e9e8999662e87d32273ce500ba6d2a20d0ba436013e6693cda65d5de175"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4687",
    "kind": "arxiv",
    "version": 1
  }
}