Pith Number

pith:YXR6QXKF

pith:2023:YXR6QXKFKV2SYYW2DHT3DRGZWF

not attested not anchored not stored refs pending

Laboratory Experiments to Understand Comets

Antoine Pommerol, Bastian Gundlach, Nicolas Fray, Olivier Poch

arxiv:2308.11338 v1 · 2023-08-22 · astro-ph.EP · 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{YXR6QXKFKV2SYYW2DHT3DRGZWF}

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	2026-07-05T06:43:33.059728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5e3e85d4555752c62da19e7b1c4d9b16d6d4508f9289ddae2e4df9de0345f1a

Aliases

arxiv: 2308.11338 · arxiv_version: 2308.11338v1 · doi: 10.48550/arxiv.2308.11338 · pith_short_12: YXR6QXKFKV2S · pith_short_16: YXR6QXKFKV2SYYW2 · pith_short_8: YXR6QXKF

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/YXR6QXKFKV2SYYW2DHT3DRGZWF \
  | 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: c5e3e85d4555752c62da19e7b1c4d9b16d6d4508f9289ddae2e4df9de0345f1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83dceccd339c5c5f2e34bec6dccab581fe87ad0d53a401f12c5a73e871cc73be",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-08-22T10:33:48Z",
    "title_canon_sha256": "81b93354b41ce0295e98fb0cfd17bc8a566f7890a4a5b30064bbe8242a5430b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.11338",
    "kind": "arxiv",
    "version": 1
  }
}