Pith Number

pith:O23FGUM5

pith:2019:O23FGUM5JNIFZ3PR43UTS56RZH

not attested not anchored not stored refs pending

Dust Production of Comet 21P/Giacobini-Zinner Throughout its 2018 Apparition

Auriane Egal, Natalie Moticska, Steven Ehlert

arxiv:1906.01582 v2 · 2019-06-04 · 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{O23FGUM5JNIFZ3PR43UTS56RZH}

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	2026-05-17T23:42:59.965758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76b653519d4b505cedf1e6e93977d1c9c05339634f8f7861410a8fcb5ac83305

Aliases

arxiv: 1906.01582 · arxiv_version: 1906.01582v2 · doi: 10.48550/arxiv.1906.01582 · pith_short_12: O23FGUM5JNIF · pith_short_16: O23FGUM5JNIFZ3PR · pith_short_8: O23FGUM5

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/O23FGUM5JNIFZ3PR43UTS56RZH \
  | 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: 76b653519d4b505cedf1e6e93977d1c9c05339634f8f7861410a8fcb5ac83305

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "586d105af7bfb2fbe9919b5c58a3d43a6701421f8e0c8df21ec9e61f14f2c6c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-04T16:53:49Z",
    "title_canon_sha256": "6cf4482671772f38ab9fa7612a27c0fb5412c99f97b44092cca95c178a9e7b87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01582",
    "kind": "arxiv",
    "version": 2
  }
}