Pith Number

pith:QMBAR25K

pith:2011:QMBAR25KLPX7XCF3FO5SOPVJOD

not attested not anchored not stored refs pending

Rapid Mid-Infrared Variability in Protostellar Disks

Douglas N.C. Lin, Hao Huang, Te T. Ke

arxiv:1110.4189 v1 · 2011-10-19 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMBAR25KLPX7XCF3FO5SOPVJOD}

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	2026-05-18T02:00:08.844237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

830208ebaa5beffb88bb2bbb273ea970cfd82b1dfd7cb2c0cbce899f3adafa48

Aliases

arxiv: 1110.4189 · arxiv_version: 1110.4189v1 · doi: 10.48550/arxiv.1110.4189 · pith_short_12: QMBAR25KLPX7 · pith_short_16: QMBAR25KLPX7XCF3 · pith_short_8: QMBAR25K

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/QMBAR25KLPX7XCF3FO5SOPVJOD \
  | 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: 830208ebaa5beffb88bb2bbb273ea970cfd82b1dfd7cb2c0cbce899f3adafa48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a865753ee04a98052ca5b18f6ff826409e5b1ecc68b7531d958daed4f885b12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-10-19T05:49:11Z",
    "title_canon_sha256": "b04483d93733a8e12c8d2f509cf531d48a74569c446ce348030679fb6c9d7594"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4189",
    "kind": "arxiv",
    "version": 1
  }
}