Pith Number

pith:CBREXYEM

pith:2018:CBREXYEMDEHU4EENHOS4RBQOOB

not attested not anchored not stored refs pending

Distant Comet C/2017 K2 and the Cohesion Bottleneck

David Jewitt, Harold Weaver, Jessica Agarwal, Jing Li, Man-To Hui, Max Mutchler

arxiv:1811.07180 v1 · 2018-11-17 · 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{CBREXYEMDEHU4EENHOS4RBQOOB}

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	2026-05-17T23:55:11.012458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10624be08c190f4e108d3ba5c8860e7049a7a162f8b304e59e526995d8c46c56

Aliases

arxiv: 1811.07180 · arxiv_version: 1811.07180v1 · doi: 10.48550/arxiv.1811.07180 · pith_short_12: CBREXYEMDEHU · pith_short_16: CBREXYEMDEHU4EEN · pith_short_8: CBREXYEM

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/CBREXYEMDEHU4EENHOS4RBQOOB \
  | 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: 10624be08c190f4e108d3ba5c8860e7049a7a162f8b304e59e526995d8c46c56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eb7bacb2ed1a0273e79b7d87261a78721c78da3e99cdd27a62085750fdaae2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-11-17T15:31:26Z",
    "title_canon_sha256": "d14cdf917afe278c3bff28d54c71253c381673b1e13d8be4130f8970d5430876"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07180",
    "kind": "arxiv",
    "version": 1
  }
}