Pith Number

pith:P6MRR2N7

pith:2018:P6MRR2N7BG2E5CFUAM4P565HJU

not attested not anchored not stored refs pending

Experiments on cometary activity: ejection of dust aggregates from a sublimating water-ice surface

B. Gundlach, D. Bischoff, J. Blum, M. Neuhaus

arxiv:1811.09397 v1 · 2018-11-23 · 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{P6MRR2N7BG2E5CFUAM4P565HJU}

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	2026-05-18T00:00:03.494529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f9918e9bf09b44e88b40338fefba74d07ac52427f04fbdd5b873f0c6bd5493d

Aliases

arxiv: 1811.09397 · arxiv_version: 1811.09397v1 · doi: 10.48550/arxiv.1811.09397 · pith_short_12: P6MRR2N7BG2E · pith_short_16: P6MRR2N7BG2E5CFU · pith_short_8: P6MRR2N7

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/P6MRR2N7BG2E5CFUAM4P565HJU \
  | 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: 7f9918e9bf09b44e88b40338fefba74d07ac52427f04fbdd5b873f0c6bd5493d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21e0ac69199d1e0d0df40d085c4d716e21925269bc9273fce6df418b40654e60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-11-23T09:23:27Z",
    "title_canon_sha256": "9c5212d85e2d0da34c7c75bcc1c591f4c3108a3aeee4770121d18861b1b3f189"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09397",
    "kind": "arxiv",
    "version": 1
  }
}